97559040 has 80 divisors (see below), whose sum is σ = 311908608. Its totient is φ = 26013696.

The previous prime is 97559029. The next prime is 97559051. The reversal of 97559040 is 4095579.

It is an interprime number because it is at equal distance from previous prime (97559029) and next prime (97559051).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 97559040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1329 + ... + 14031.

Almost surely, 2^97559040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97559040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155954304).

97559040 is an abundant number, since it is smaller than the sum of its proper divisors (214349568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97559040 is a wasteful number, since it uses less digits than its factorization.

97559040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12729 (or 12713 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 97559040 is about 9877.1979832339. The cubic root of 97559040 is about 460.3510867286.

The spelling of 97559040 in words is "ninety-seven million, five hundred fifty-nine thousand, forty".