97850977 has 16 divisors (see below), whose sum is σ = 115240320. Its totient is φ = 81330048.

The previous prime is 97850957. The next prime is 97850989. The reversal of 97850977 is 77905879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97850977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97850957) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 120549 + ... + 121357.

It is an arithmetic number, because the mean of its divisors is an integer number (7202520).

Almost surely, 2^97850977 is an apocalyptic number.

It is an amenable number.

97850977 is a deficient number, since it is larger than the sum of its proper divisors (17389343).

97850977 is a wasteful number, since it uses less digits than its factorization.

With its successor (97850978) it forms an eRAP, since the sums of their prime factors are consecutive (1320 and 1321).

97850977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 1111320, while the sum is 52.

The square root of 97850977 is about 9891.9652749087. The cubic root of 97850977 is about 460.8098164167.

The spelling of 97850977 in words is "ninety-seven million, eight hundred fifty thousand, nine hundred seventy-seven".