97767856 has 20 divisors (see below), whose sum is σ = 189775800. Its totient is φ = 48793472.

The previous prime is 97767841. The next prime is 97767907. The reversal of 97767856 is 65876779.

It is a junction number, because it is equal to n+sod(n) for n = 97767797 and 97767806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3735 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (9488790).

Almost surely, 2^97767856 is an apocalyptic number.

It is an amenable number.

97767856 is a deficient number, since it is larger than the sum of its proper divisors (92007944).

97767856 is a wasteful number, since it uses less digits than its factorization.

97767856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316 (or 11310 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 55.

The square root of 97767856 is about 9887.7629421422. The cubic root of 97767856 is about 460.6792988183.

The spelling of 97767856 in words is "ninety-seven million, seven hundred sixty-seven thousand, eight hundred fifty-six".