992525170087 has 4 divisors (see below), whose sum is σ = 1082754731016. Its totient is φ = 902295609160.

The previous prime is 992525170073. The next prime is 992525170123. The reversal of 992525170087 is 780071525299.

It is a happy number.

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

It is not a de Polignac number, because 992525170087 - 2²⁷ = 992390952359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992525170687) 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, 45114780448 + ... + 45114780469.

It is an arithmetic number, because the mean of its divisors is an integer number (270688682754).

Almost surely, 2^992525170087 is an apocalyptic number.

992525170087 is a deficient number, since it is larger than the sum of its proper divisors (90229560929).

992525170087 is a wasteful number, since it uses less digits than its factorization.

992525170087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90229560928.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 992525170087 in words is "nine hundred ninety-two billion, five hundred twenty-five million, one hundred seventy thousand, eighty-seven".