97880265 has 32 divisors (see below), whose sum is σ = 198869760. Its totient is φ = 44744832.

The previous prime is 97880239. The next prime is 97880287. The reversal of 97880265 is 56208879.

It is not a de Polignac number, because 97880265 - 2⁶ = 97880201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97880265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50844 + ... + 52733.

It is an arithmetic number, because the mean of its divisors is an integer number (6214680).

Almost surely, 2^97880265 is an apocalyptic number.

It is an amenable number.

97880265 is an abundant number, since it is smaller than the sum of its proper divisors (100989495).

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

97880265 is a wasteful number, since it uses less digits than its factorization.

97880265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103598 (or 103592 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 97880265 is about 9893.4455575396. The cubic root of 97880265 is about 460.8557871776.

The spelling of 97880265 in words is "ninety-seven million, eight hundred eighty thousand, two hundred sixty-five".