82638152 has 8 divisors (see below), whose sum is σ = 154946550. Its totient is φ = 41319072.

The previous prime is 82638119. The next prime is 82638167. The reversal of 82638152 is 25183628.

It can be written as a sum of positive squares in only one way, i.e., 43375396 + 39262756 = 6586^2 + 6266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5164877 + ... + 5164892.

Almost surely, 2^82638152 is an apocalyptic number.

It is an amenable number.

82638152 is a deficient number, since it is larger than the sum of its proper divisors (72308398).

82638152 is a wasteful number, since it uses less digits than its factorization.

82638152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329775 (or 10329771 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 82638152 is about 9090.5528984765. The cubic root of 82638152 is about 435.5722455117.

The spelling of 82638152 in words is "eighty-two million, six hundred thirty-eight thousand, one hundred fifty-two".