87807309371 has 4 divisors (see below), whose sum is σ = 87808449552. Its totient is φ = 87806169192.

The previous prime is 87807309301. The next prime is 87807309397. The reversal of 87807309371 is 17390370878.

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

It is a cyclic number.

It is not a de Polignac number, because 87807309371 - 2²⁶ = 87740200507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87807309301) 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, 445496 + ... + 611621.

It is an arithmetic number, because the mean of its divisors is an integer number (21952112388).

Almost surely, 2^87807309371 is an apocalyptic number.

87807309371 is a deficient number, since it is larger than the sum of its proper divisors (1140181).

87807309371 is a wasteful number, since it uses less digits than its factorization.

87807309371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140180.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 87807309371 in words is "eighty-seven billion, eight hundred seven million, three hundred nine thousand, three hundred seventy-one".