82976971 has 32 divisors (see below), whose sum is σ = 111513600. Its totient is φ = 59784480.

The previous prime is 82976963. The next prime is 82977007. The reversal of 82976971 is 17967928.

It is a happy number.

It is not a de Polignac number, because 82976971 - 2³ = 82976963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82976911) 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, 62250 + ... + 63568.

It is an arithmetic number, because the mean of its divisors is an integer number (3484800).

Almost surely, 2^82976971 is an apocalyptic number.

82976971 is a deficient number, since it is larger than the sum of its proper divisors (28536629).

82976971 is a wasteful number, since it uses less digits than its factorization.

82976971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399.

The product of its digits is 381024, while the sum is 49.

The square root of 82976971 is about 9109.1696108921. The cubic root of 82976971 is about 436.1667203915.

The spelling of 82976971 in words is "eighty-two million, nine hundred seventy-six thousand, nine hundred seventy-one".