79088957887 has 4 divisors (see below), whose sum is σ = 79097369400. Its totient is φ = 79080546376.

The previous prime is 79088957867. The next prime is 79088957891. The reversal of 79088957887 is 78875988097.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79088957887 is a prime.

It is a super-3 number, since 3×79088957887³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79088957867) 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, 4191637 + ... + 4210462.

It is an arithmetic number, because the mean of its divisors is an integer number (19774342350).

Almost surely, 2^79088957887 is an apocalyptic number.

79088957887 is a deficient number, since it is larger than the sum of its proper divisors (8411513).

79088957887 is an equidigital number, since it uses as much as digits as its factorization.

79088957887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411512.

The product of its (nonzero) digits is 568995840, while the sum is 76.

The spelling of 79088957887 in words is "seventy-nine billion, eighty-eight million, nine hundred fifty-seven thousand, eight hundred eighty-seven".