97555678 has 16 divisors (see below), whose sum is σ = 161660160. Its totient is φ = 43781400.

The previous prime is 97555657. The next prime is 97555753. The reversal of 97555678 is 87655579.

It is a super-2 number, since 2×97555678² = 19034220620079368, which contains 22 as substring.

It is a congruent number.

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, 26328 + ... + 29803.

It is an arithmetic number, because the mean of its divisors is an integer number (10103760).

Almost surely, 2^97555678 is an apocalyptic number.

97555678 is a deficient number, since it is larger than the sum of its proper divisors (64104482).

97555678 is a wasteful number, since it uses less digits than its factorization.

97555678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56223.

The product of its digits is 2646000, while the sum is 52.

The square root of 97555678 is about 9877.0277918005. The cubic root of 97555678 is about 460.3457985867.

Subtracting from 97555678 its reverse (87655579), we obtain a palindrome (9900099).

The spelling of 97555678 in words is "ninety-seven million, five hundred fifty-five thousand, six hundred seventy-eight".