84796828957 has 4 divisors (see below), whose sum is σ = 86396769180. Its totient is φ = 83196888736.

The previous prime is 84796828933. The next prime is 84796828967. The reversal of 84796828957 is 75982869748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23699370916 + 61097458041 = 153946^2 + 247179^2 .

It is a cyclic number.

It is not a de Polignac number, because 84796828957 - 2³¹ = 82649345309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84796828957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84796828967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799970032 + ... + 799970137.

It is an arithmetic number, because the mean of its divisors is an integer number (21599192295).

Almost surely, 2^84796828957 is an apocalyptic number.

It is an amenable number.

84796828957 is a deficient number, since it is larger than the sum of its proper divisors (1599940223).

84796828957 is a wasteful number, since it uses less digits than its factorization.

84796828957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599940222.

The product of its digits is 487710720, while the sum is 73.

The spelling of 84796828957 in words is "eighty-four billion, seven hundred ninety-six million, eight hundred twenty-eight thousand, nine hundred fifty-seven".