82151678 has 16 divisors (see below), whose sum is σ = 142080480. Its totient is φ = 34895616.

The previous prime is 82151647. The next prime is 82151761. The reversal of 82151678 is 87615128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24383 + ... + 27546.

It is an arithmetic number, because the mean of its divisors is an integer number (8880030).

Almost surely, 2^82151678 is an apocalyptic number.

82151678 is a deficient number, since it is larger than the sum of its proper divisors (59928802).

82151678 is a wasteful number, since it uses less digits than its factorization.

82151678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52051.

The product of its digits is 26880, while the sum is 38.

The square root of 82151678 is about 9063.7562853378. The cubic root of 82151678 is about 434.7158544219.

The spelling of 82151678 in words is "eighty-two million, one hundred fifty-one thousand, six hundred seventy-eight".