84402746751 has 16 divisors (see below), whose sum is σ = 120128451840. Its totient is φ = 52556192640.

The previous prime is 84402746731. The next prime is 84402746759. The reversal of 84402746751 is 15764720448.

It is not a de Polignac number, because 84402746751 - 2²³ = 84394358143 is a prime.

It is a super-2 number, since 2×84402746751² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84402746751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84402746759) 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, 10423770 + ... + 10431863.

It is an arithmetic number, because the mean of its divisors is an integer number (7508028240).

Almost surely, 2^84402746751 is an apocalyptic number.

84402746751 is a deficient number, since it is larger than the sum of its proper divisors (35725705089).

84402746751 is a wasteful number, since it uses less digits than its factorization.

84402746751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20855726.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 84402746751 in words is "eighty-four billion, four hundred two million, seven hundred forty-six thousand, seven hundred fifty-one".