97139776 has 28 divisors (see below), whose sum is σ = 193121280. Its totient is φ = 48479360.

The previous prime is 97139773. The next prime is 97139807. The reversal of 97139776 is 67793179.

It is a super-2 number, since 2×97139776² = 18872272162660352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97139773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44961 + ... + 47071.

Almost surely, 2^97139776 is an apocalyptic number.

It is an amenable number.

97139776 is a deficient number, since it is larger than the sum of its proper divisors (95981504).

97139776 is a wasteful number, since it uses less digits than its factorization.

97139776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842 (or 2832 counting only the distinct ones).

The product of its digits is 500094, while the sum is 49.

The square root of 97139776 is about 9855.9512985810. The cubic root of 97139776 is about 459.6906805186.

The spelling of 97139776 in words is "ninety-seven million, one hundred thirty-nine thousand, seven hundred seventy-six".