82949363838 has 48 divisors (see below), whose sum is σ = 196081297776. Its totient is φ = 25133713920.

The previous prime is 82949363837. The next prime is 82949363851. The reversal of 82949363838 is 83836394928.

82949363838 is a `hidden beast` number, since 8 + 2 + 9 + 493 + 63 + 83 + 8 = 666.

It is a super-2 number, since 2×82949363838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82949363837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3937020 + ... + 3958032.

It is an arithmetic number, because the mean of its divisors is an integer number (4085027037).

Almost surely, 2^82949363838 is an apocalyptic number.

82949363838 is an abundant number, since it is smaller than the sum of its proper divisors (113131933938).

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

82949363838 is a wasteful number, since it uses less digits than its factorization.

82949363838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40969 (or 40966 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 63.

The spelling of 82949363838 in words is "eighty-two billion, nine hundred forty-nine million, three hundred sixty-three thousand, eight hundred thirty-eight".