97776944 has 20 divisors (see below), whose sum is σ = 193018896. Its totient is φ = 47965632.

The previous prime is 97776901. The next prime is 97776949. The reversal of 97776944 is 44967779.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (97776949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56804 + ... + 58499.

Almost surely, 2^97776944 is an apocalyptic number.

It is an amenable number.

97776944 is a deficient number, since it is larger than the sum of its proper divisors (95241952).

97776944 is a wasteful number, since it uses less digits than its factorization.

97776944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115364 (or 115358 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 53.

The square root of 97776944 is about 9888.2224894063. Note that the first 3 decimals coincide. The cubic root of 97776944 is about 460.6935725067.

The spelling of 97776944 in words is "ninety-seven million, seven hundred seventy-six thousand, nine hundred forty-four".