82574494158 has 32 divisors (see below), whose sum is σ = 179150975136. Its totient is φ = 25222076928.

The previous prime is 82574494153. The next prime is 82574494217. The reversal of 82574494158 is 85149447528.

It is a super-2 number, since 2×82574494158² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82574494098 and 82574494107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82574494153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3852991 + ... + 3874362.

It is an arithmetic number, because the mean of its divisors is an integer number (5598467973).

Almost surely, 2^82574494158 is an apocalyptic number.

82574494158 is an abundant number, since it is smaller than the sum of its proper divisors (96576480978).

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

82574494158 is a wasteful number, since it uses less digits than its factorization.

82574494158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727508.

The product of its digits is 12902400, while the sum is 57.

The spelling of 82574494158 in words is "eighty-two billion, five hundred seventy-four million, four hundred ninety-four thousand, one hundred fifty-eight".