97779366 has 32 divisors (see below), whose sum is σ = 218890080. Its totient is φ = 32352768.

The previous prime is 97779349. The next prime is 97779389. The reversal of 97779366 is 66397779.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790 + ... + 14006.

It is an arithmetic number, because the mean of its divisors is an integer number (6840315).

Almost surely, 2^97779366 is an apocalyptic number.

97779366 is an abundant number, since it is smaller than the sum of its proper divisors (121110714).

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

97779366 is a wasteful number, since it uses less digits than its factorization.

97779366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13365 (or 13359 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 54.

The square root of 97779366 is about 9888.3449575751. The cubic root of 97779366 is about 460.6973763708.

The spelling of 97779366 in words is "ninety-seven million, seven hundred seventy-nine thousand, three hundred sixty-six".