82931476 has 6 divisors (see below), whose sum is σ = 145130090. Its totient is φ = 41465736.

The previous prime is 82931473. The next prime is 82931489. The reversal of 82931476 is 67413928.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 11088900 = 8476^2 + 3330^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82931473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10366431 + ... + 10366438.

Almost surely, 2^82931476 is an apocalyptic number.

It is an amenable number.

82931476 is a deficient number, since it is larger than the sum of its proper divisors (62198614).

82931476 is a wasteful number, since it uses less digits than its factorization.

82931476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20732873 (or 20732871 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 82931476 is about 9106.6720595396. The cubic root of 82931476 is about 436.0869913115.

The spelling of 82931476 in words is "eighty-two million, nine hundred thirty-one thousand, four hundred seventy-six".