84782490525 has 72 divisors (see below), whose sum is σ = 161945259840. Its totient is φ = 42251051520.

The previous prime is 84782490433. The next prime is 84782490539. The reversal of 84782490525 is 52509428748.

84782490525 is a `hidden beast` number, since 8 + 4 + 7 + 8 + 24 + 90 + 525 = 666.

It is not a de Polignac number, because 84782490525 - 2¹¹ = 84782488477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 451944 + ... + 611406.

It is an arithmetic number, because the mean of its divisors is an integer number (2249239720).

Almost surely, 2^84782490525 is an apocalyptic number.

84782490525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84782490525 is a deficient number, since it is larger than the sum of its proper divisors (77162769315).

84782490525 is a wasteful number, since it uses less digits than its factorization.

84782490525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159635 (or 159627 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 84782490525 in words is "eighty-four billion, seven hundred eighty-two million, four hundred ninety thousand, five hundred twenty-five".