82653894 has 24 divisors (see below), whose sum is σ = 180933480. Its totient is φ = 27266688.

The previous prime is 82653889. The next prime is 82653899. The reversal of 82653894 is 49835628.

82653894 is a `hidden beast` number, since 8 + 26 + 538 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (82653889) and next prime (82653899).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82653899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21924 + ... + 25415.

It is an arithmetic number, because the mean of its divisors is an integer number (7538895).

Almost surely, 2^82653894 is an apocalyptic number.

82653894 is an abundant number, since it is smaller than the sum of its proper divisors (98279586).

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

82653894 is a wasteful number, since it uses less digits than its factorization.

82653894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47444 (or 47441 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 82653894 is about 9091.4187011709. The cubic root of 82653894 is about 435.5999015954.

The spelling of 82653894 in words is "eighty-two million, six hundred fifty-three thousand, eight hundred ninety-four".