97178640504 has 64 divisors (see below), whose sum is σ = 271496897280. Its totient is φ = 28729824000.

The previous prime is 97178640499. The next prime is 97178640539. The reversal of 97178640504 is 40504687179.

It is a super-3 number, since 3×97178640504³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 4478212 + ... + 4499859.

It is an arithmetic number, because the mean of its divisors is an integer number (4242139020).

Almost surely, 2^97178640504 is an apocalyptic number.

It is an amenable number.

97178640504 is an abundant number, since it is smaller than the sum of its proper divisors (174318256776).

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

97178640504 is a wasteful number, since it uses less digits than its factorization.

97178640504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978132 (or 8978128 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 97178640504 in words is "ninety-seven billion, one hundred seventy-eight million, six hundred forty thousand, five hundred four".