84916915745 has 32 divisors (see below), whose sum is σ = 112973460480. Its totient is φ = 60984411840.

The previous prime is 84916915723. The next prime is 84916915753. The reversal of 84916915745 is 54751961948.

It is not a de Polignac number, because 84916915745 - 2¹² = 84916911649 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52190 + ... + 415400.

It is an arithmetic number, because the mean of its divisors is an integer number (3530420640).

Almost surely, 2^84916915745 is an apocalyptic number.

It is an amenable number.

84916915745 is a deficient number, since it is larger than the sum of its proper divisors (28056544735).

84916915745 is a wasteful number, since it uses less digits than its factorization.

84916915745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363365.

The product of its digits is 10886400, while the sum is 59.

The spelling of 84916915745 in words is "eighty-four billion, nine hundred sixteen million, nine hundred fifteen thousand, seven hundred forty-five".