82977370 has 64 divisors (see below), whose sum is σ = 181958400. Its totient is φ = 26611200.

The previous prime is 82977343. The next prime is 82977373. The reversal of 82977370 is 7377928.

It is not an unprimeable number, because it can be changed into a prime (82977373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118020 + ... + 118720.

It is an arithmetic number, because the mean of its divisors is an integer number (2843100).

Almost surely, 2^82977370 is an apocalyptic number.

82977370 is an abundant number, since it is smaller than the sum of its proper divisors (98981030).

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

82977370 is a wasteful number, since it uses less digits than its factorization.

82977370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 82977370 is about 9109.1915118741. The cubic root of 82977370 is about 436.1674195021.

The spelling of 82977370 in words is "eighty-two million, nine hundred seventy-seven thousand, three hundred seventy".