97879404 has 48 divisors (see below), whose sum is σ = 276369408. Its totient is φ = 26320128.

The previous prime is 97879391. The next prime is 97879417. The reversal of 97879404 is 40497879.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97879391) and next prime (97879417).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32844 + ... + 35699.

It is an arithmetic number, because the mean of its divisors is an integer number (5757696).

Almost surely, 2^97879404 is an apocalyptic number.

It is an amenable number.

97879404 is an abundant number, since it is smaller than the sum of its proper divisors (178490004).

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

97879404 is a wasteful number, since it uses less digits than its factorization.

97879404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68574 (or 68572 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 97879404 is about 9893.4020437866. The cubic root of 97879404 is about 460.8544358735.

It can be divided in two parts, 9787 and 9404, that added together give a palindrome (19191).

The spelling of 97879404 in words is "ninety-seven million, eight hundred seventy-nine thousand, four hundred four".