82890370 has 16 divisors (see below), whose sum is σ = 151305408. Its totient is φ = 32688880.

The previous prime is 82890361. The next prime is 82890389. The reversal of 82890370 is 7309828.

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, 57664 + ... + 59083.

It is an arithmetic number, because the mean of its divisors is an integer number (9456588).

Almost surely, 2^82890370 is an apocalyptic number.

82890370 is a deficient number, since it is larger than the sum of its proper divisors (68415038).

82890370 is a wasteful number, since it uses less digits than its factorization.

82890370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116825.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82890370 is about 9104.4148631310. The cubic root of 82890370 is about 436.0149287877.

The spelling of 82890370 in words is "eighty-two million, eight hundred ninety thousand, three hundred seventy".