97780076 has 12 divisors (see below), whose sum is σ = 176635200. Its totient is φ = 47312880.

The previous prime is 97780057. The next prime is 97780087. The reversal of 97780076 is 67008779.

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 3 ways as a sum of consecutive naturals, for example, 394151 + ... + 394398.

It is an arithmetic number, because the mean of its divisors is an integer number (14719600).

Almost surely, 2^97780076 is an apocalyptic number.

It is an amenable number.

97780076 is a deficient number, since it is larger than the sum of its proper divisors (78855124).

97780076 is a wasteful number, since it uses less digits than its factorization.

97780076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788584 (or 788582 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 97780076 is about 9888.3808583610. The cubic root of 97780076 is about 460.6984914471.

The spelling of 97780076 in words is "ninety-seven million, seven hundred eighty thousand, seventy-six".