97764432 has 40 divisors (see below), whose sum is σ = 253212960. Its totient is φ = 32503680.

The previous prime is 97764391. The next prime is 97764437. The reversal of 97764432 is 23446779.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97764437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17682 + ... + 22542.

It is an arithmetic number, because the mean of its divisors is an integer number (6330324).

Almost surely, 2^97764432 is an apocalyptic number.

It is an amenable number.

97764432 is an abundant number, since it is smaller than the sum of its proper divisors (155448528).

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

97764432 is a wasteful number, since it uses less digits than its factorization.

97764432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5285 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 97764432 is about 9887.5897973166. The cubic root of 97764432 is about 460.6739208260.

The spelling of 97764432 in words is "ninety-seven million, seven hundred sixty-four thousand, four hundred thirty-two".