87692053 has 4 divisors (see below), whose sum is σ = 88893388. Its totient is φ = 86490720.

The previous prime is 87692041. The next prime is 87692057. The reversal of 87692053 is 35029678.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45468049 + 42224004 = 6743^2 + 6498^2 .

It is a cyclic number.

It is not a de Polignac number, because 87692053 - 2⁵ = 87692021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87691997 and 87692015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87692057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600558 + ... + 600703.

It is an arithmetic number, because the mean of its divisors is an integer number (22223347).

Almost surely, 2^87692053 is an apocalyptic number.

It is an amenable number.

87692053 is a deficient number, since it is larger than the sum of its proper divisors (1201335).

87692053 is a wasteful number, since it uses less digits than its factorization.

87692053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201334.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 87692053 is about 9364.4035047621. The cubic root of 87692053 is about 444.2765723344.

It can be divided in two parts, 876 and 92053, that added together give a palindrome (92929).

The spelling of 87692053 in words is "eighty-seven million, six hundred ninety-two thousand, fifty-three".