82556970 has 16 divisors (see below), whose sum is σ = 198136800. Its totient is φ = 22015184.

The previous prime is 82556963. The next prime is 82556977. The reversal of 82556970 is 7965528.

It is an interprime number because it is at equal distance from previous prime (82556963) and next prime (82556977).

It is not an unprimeable number, because it can be changed into a prime (82556977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375920 + ... + 1375979.

It is an arithmetic number, because the mean of its divisors is an integer number (12383550).

Almost surely, 2^82556970 is an apocalyptic number.

82556970 is an abundant number, since it is smaller than the sum of its proper divisors (115579830).

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

82556970 is a wasteful number, since it uses less digits than its factorization.

82556970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751909.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 82556970 is about 9086.0866163602. The cubic root of 82556970 is about 435.4295664114.

It can be divided in two parts, 8255 and 6970, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 82556970 in words is "eighty-two million, five hundred fifty-six thousand, nine hundred seventy".