82625878 has 16 divisors (see below), whose sum is σ = 125582400. Its totient is φ = 40768000.

The previous prime is 82625869. The next prime is 82625897. The reversal of 82625878 is 87852628.

It is a happy number.

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, 90243 + ... + 91153.

It is an arithmetic number, because the mean of its divisors is an integer number (7848900).

Almost surely, 2^82625878 is an apocalyptic number.

82625878 is a deficient number, since it is larger than the sum of its proper divisors (42956522).

82625878 is a wasteful number, since it uses less digits than its factorization.

82625878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its digits is 430080, while the sum is 46.

The square root of 82625878 is about 9089.8777769561. The cubic root of 82625878 is about 435.5506796921.

The spelling of 82625878 in words is "eighty-two million, six hundred twenty-five thousand, eight hundred seventy-eight".