97788480 has 56 divisors (see below), whose sum is σ = 310481472. Its totient is φ = 26076672.

The previous prime is 97788451. The next prime is 97788499. The reversal of 97788480 is 8488779.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49972 + ... + 51891.

It is an arithmetic number, because the mean of its divisors is an integer number (5544312).

Almost surely, 2^97788480 is an apocalyptic number.

It is an amenable number.

97788480 is an abundant number, since it is smaller than the sum of its proper divisors (212692992).

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

97788480 is a wasteful number, since it uses less digits than its factorization.

97788480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101883 (or 101873 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 97788480 is about 9888.8057924099. The cubic root of 97788480 is about 460.7116897705.

The spelling of 97788480 in words is "ninety-seven million, seven hundred eighty-eight thousand, four hundred eighty".