77097650 has 24 divisors (see below), whose sum is σ = 163888320. Its totient is φ = 26433360.

The previous prime is 77097641. The next prime is 77097701. The reversal of 77097650 is 5679077.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 77097598 and 77097607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109790 + ... + 110489.

It is an arithmetic number, because the mean of its divisors is an integer number (6828680).

Almost surely, 2^77097650 is an apocalyptic number.

77097650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77097650 is an abundant number, since it is smaller than the sum of its proper divisors (86790670).

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

77097650 is a wasteful number, since it uses less digits than its factorization.

77097650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220298 (or 220293 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 77097650 is about 8780.5267495749. The cubic root of 77097650 is about 425.6118522867.

The spelling of 77097650 in words is "seventy-seven million, ninety-seven thousand, six hundred fifty".