87535793925 has 18 divisors (see below), whose sum is σ = 156786333522. Its totient is φ = 46685756640.

The previous prime is 87535793923. The next prime is 87535793927. The reversal of 87535793925 is 52939753578.

87535793925 is a `hidden beast` number, since 8 + 7 + 5 + 3 + 579 + 39 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (87535793923) and next prime (87535793927).

It can be written as a sum of positive squares in 3 ways, for example, as 813789729 + 86722004196 = 28527^2 + 294486^2 .

It is not a de Polignac number, because 87535793925 - 2¹ = 87535793923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87535793923) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 194523762 + ... + 194524211.

Almost surely, 2^87535793925 is an apocalyptic number.

It is an amenable number.

87535793925 is a deficient number, since it is larger than the sum of its proper divisors (69250539597).

87535793925 is a wasteful number, since it uses less digits than its factorization.

87535793925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389047989 (or 389047981 counting only the distinct ones).

The product of its digits is 71442000, while the sum is 63.

The spelling of 87535793925 in words is "eighty-seven billion, five hundred thirty-five million, seven hundred ninety-three thousand, nine hundred twenty-five".