82951794651 has 32 divisors (see below), whose sum is σ = 128172844800. Its totient is φ = 47190833280.

The previous prime is 82951794631. The next prime is 82951794659. The reversal of 82951794651 is 15649715928.

It is a happy number.

It is not a de Polignac number, because 82951794651 - 2¹⁴ = 82951778267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 82951794591 and 82951794600.

It is not an unprimeable number, because it can be changed into a prime (82951794659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538536 + ... + 675221.

It is an arithmetic number, because the mean of its divisors is an integer number (4005401400).

Almost surely, 2^82951794651 is an apocalyptic number.

82951794651 is a deficient number, since it is larger than the sum of its proper divisors (45221050149).

82951794651 is a wasteful number, since it uses less digits than its factorization.

82951794651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213899.

The product of its digits is 5443200, while the sum is 57.

The spelling of 82951794651 in words is "eighty-two billion, nine hundred fifty-one million, seven hundred ninety-four thousand, six hundred fifty-one".