84997384245 has 12 divisors (see below), whose sum is σ = 147328799436. Its totient is φ = 45331938240.

The previous prime is 84997384187. The next prime is 84997384271. The reversal of 84997384245 is 54248379948.

84997384245 is a `hidden beast` number, since 8 + 4 + 9 + 9 + 7 + 384 + 245 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20493067716 + 64504316529 = 143154^2 + 253977^2 .

It is not a de Polignac number, because 84997384245 - 2⁷ = 84997384117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944415336 + ... + 944415425.

It is an arithmetic number, because the mean of its divisors is an integer number (12277399953).

Almost surely, 2^84997384245 is an apocalyptic number.

It is an amenable number.

84997384245 is a deficient number, since it is larger than the sum of its proper divisors (62331415191).

84997384245 is a wasteful number, since it uses less digits than its factorization.

84997384245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888830772 (or 1888830769 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 84997384245 in words is "eighty-four billion, nine hundred ninety-seven million, three hundred eighty-four thousand, two hundred forty-five".