97790208 has 36 divisors (see below), whose sum is σ = 260266608. Its totient is φ = 32596480.

The previous prime is 97790179. The next prime is 97790219. The reversal of 97790208 is 80209779.

It is a self number, because there is not a number n which added to its sum of digits gives 97790208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62898 + ... + 64433.

It is an arithmetic number, because the mean of its divisors is an integer number (7229628).

Almost surely, 2^97790208 is an apocalyptic number.

It is an amenable number.

97790208 is an abundant number, since it is smaller than the sum of its proper divisors (162476400).

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

97790208 is a wasteful number, since it uses less digits than its factorization.

97790208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127350 (or 127336 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 97790208 is about 9888.8931635446. The cubic root of 97790208 is about 460.7144034682.

The spelling of 97790208 in words is "ninety-seven million, seven hundred ninety thousand, two hundred eight".