78888442895 has 8 divisors (see below), whose sum is σ = 94947041904. Its totient is φ = 62923480704.

The previous prime is 78888442891. The next prime is 78888442907. The reversal of 78888442895 is 59824488887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78888442895 - 2² = 78888442891 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 (78888442891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23407349 + ... + 23410718.

It is an arithmetic number, because the mean of its divisors is an integer number (11868380238).

Almost surely, 2^78888442895 is an apocalyptic number.

78888442895 is a deficient number, since it is larger than the sum of its proper divisors (16058599009).

78888442895 is a wasteful number, since it uses less digits than its factorization.

78888442895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46818409.

The product of its digits is 330301440, while the sum is 71.

The spelling of 78888442895 in words is "seventy-eight billion, eight hundred eighty-eight million, four hundred forty-two thousand, eight hundred ninety-five".