97790976 has 154 divisors (see below), whose sum is σ = 295332972. Its totient is φ = 32348160.

The previous prime is 97790969. The next prime is 97790983. The reversal of 97790976 is 67909779.

It is an interprime number because it is at equal distance from previous prime (97790969) and next prime (97790983).

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

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 746431 + ... + 746561.

Almost surely, 2^97790976 is an apocalyptic number.

97790976 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97790976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147666486).

97790976 is an abundant number, since it is smaller than the sum of its proper divisors (197541996).

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

97790976 is an equidigital number, since it uses as much as digits as its factorization.

97790976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The square root of 97790976 is about 9888.9319949123. The cubic root of 97790976 is about 460.7156095458.

The spelling of 97790976 in words is "ninety-seven million, seven hundred ninety thousand, nine hundred seventy-six".