87196793 has 4 divisors (see below), whose sum is σ = 87220980. Its totient is φ = 87172608.

The previous prime is 87196787. The next prime is 87196799. The reversal of 87196793 is 39769178.

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

It is an interprime number because it is at equal distance from previous prime (87196787) and next prime (87196799).

It can be written as a sum of positive squares in 2 ways, for example, as 21132409 + 66064384 = 4597^2 + 8128^2 .

It is a cyclic number.

It is not a de Polignac number, because 87196793 - 2⁴ = 87196777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87196799) 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, 5480 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (21805245).

Almost surely, 2^87196793 is an apocalyptic number.

It is an amenable number.

87196793 is a deficient number, since it is larger than the sum of its proper divisors (24187).

87196793 is a wasteful number, since it uses less digits than its factorization.

87196793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24186.

The product of its digits is 571536, while the sum is 50.

The square root of 87196793 is about 9337.9223063806. The cubic root of 87196793 is about 443.4386098688.

The spelling of 87196793 in words is "eighty-seven million, one hundred ninety-six thousand, seven hundred ninety-three".