86992901 has 4 divisors (see below), whose sum is σ = 87011904. Its totient is φ = 86973900.

The previous prime is 86992889. The next prime is 86992907. The reversal of 86992901 is 10929968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86992901 - 2²⁶ = 19884037 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 (86992907) 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, 2036 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (21752976).

Almost surely, 2^86992901 is an apocalyptic number.

It is an amenable number.

86992901 is a deficient number, since it is larger than the sum of its proper divisors (19003).

86992901 is a wasteful number, since it uses less digits than its factorization.

86992901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19002.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 86992901 is about 9326.9984989813. The cubic root of 86992901 is about 443.0927097316.

The spelling of 86992901 in words is "eighty-six million, nine hundred ninety-two thousand, nine hundred one".