82111672450 has 48 divisors (see below), whose sum is σ = 156048494400. Its totient is φ = 32137110720.

The previous prime is 82111672441. The next prime is 82111672471. The reversal of 82111672450 is 5427611128.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416899 + ... + 581401.

It is an arithmetic number, because the mean of its divisors is an integer number (3251010300).

Almost surely, 2^82111672450 is an apocalyptic number.

82111672450 is a deficient number, since it is larger than the sum of its proper divisors (73936821950).

82111672450 is a wasteful number, since it uses less digits than its factorization.

82111672450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164731 (or 164726 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 82111672450 in words is "eighty-two billion, one hundred eleven million, six hundred seventy-two thousand, four hundred fifty".