82260870 has 16 divisors (see below), whose sum is σ = 197426160. Its totient is φ = 21936224.

The previous prime is 82260869. The next prime is 82260881. The reversal of 82260870 is 7806228.

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, 1370985 + ... + 1371044.

It is an arithmetic number, because the mean of its divisors is an integer number (12339135).

Almost surely, 2^82260870 is an apocalyptic number.

82260870 is an abundant number, since it is smaller than the sum of its proper divisors (115165290).

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

82260870 is a wasteful number, since it uses less digits than its factorization.

82260870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742039.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 82260870 is about 9069.7778363089. Note that the first 3 decimals coincide. The cubic root of 82260870 is about 434.9083701836.

The spelling of 82260870 in words is "eighty-two million, two hundred sixty thousand, eight hundred seventy".