82078332 has 36 divisors (see below), whose sum is σ = 222785640. Its totient is φ = 23450784.

The previous prime is 82078327. The next prime is 82078369. The reversal of 82078332 is 23387028.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 82078293 and 82078302.

It is a congruent number.

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, 69207 + ... + 70382.

It is an arithmetic number, because the mean of its divisors is an integer number (6188490).

Almost surely, 2^82078332 is an apocalyptic number.

It is an amenable number.

82078332 is an abundant number, since it is smaller than the sum of its proper divisors (140707308).

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

82078332 is a wasteful number, since it uses less digits than its factorization.

82078332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139610 (or 139601 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 82078332 is about 9059.7092668584. The cubic root of 82078332 is about 434.5864427306.

The spelling of 82078332 in words is "eighty-two million, seventy-eight thousand, three hundred thirty-two".