82277432 has 16 divisors (see below), whose sum is σ = 155449800. Its totient is φ = 40824160.

The previous prime is 82277431. The next prime is 82277449. The reversal of 82277432 is 23477228.

It is a junction number, because it is equal to n+sod(n) for n = 82277392 and 82277401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82277431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38207 + ... + 40302.

Almost surely, 2^82277432 is an apocalyptic number.

It is an amenable number.

82277432 is a deficient number, since it is larger than the sum of its proper divisors (73172368).

82277432 is a wasteful number, since it uses less digits than its factorization.

82277432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78646 (or 78642 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 82277432 is about 9070.6908226441. The cubic root of 82277432 is about 434.9375556642.

The spelling of 82277432 in words is "eighty-two million, two hundred seventy-seven thousand, four hundred thirty-two".