97977384 has 32 divisors (see below), whose sum is σ = 272160000. Its totient is φ = 32659056.

The previous prime is 97977379. The next prime is 97977403. The reversal of 97977384 is 48377979.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 97977384.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 226584 + ... + 227015.

It is an arithmetic number, because the mean of its divisors is an integer number (8505000).

Almost surely, 2^97977384 is an apocalyptic number.

It is an amenable number.

97977384 is an abundant number, since it is smaller than the sum of its proper divisors (174182616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97977384 is a wasteful number, since it uses less digits than its factorization.

97977384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453614 (or 453604 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 97977384 is about 9898.3525902041. The cubic root of 97977384 is about 461.0081606177.

The spelling of 97977384 in words is "ninety-seven million, nine hundred seventy-seven thousand, three hundred eighty-four".