78572215093 has 8 divisors (see below), whose sum is σ = 79198387200. Its totient is φ = 77946160320.

The previous prime is 78572215037. The next prime is 78572215103. The reversal of 78572215093 is 39051227587.

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 78572215093 - 2²⁹ = 78035344181 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 (78572225093) 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, 1735458 + ... + 1780156.

It is an arithmetic number, because the mean of its divisors is an integer number (9899798400).

Almost surely, 2^78572215093 is an apocalyptic number.

It is an amenable number.

78572215093 is a deficient number, since it is larger than the sum of its proper divisors (626172107).

78572215093 is a wasteful number, since it uses less digits than its factorization.

78572215093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58667.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 78572215093 in words is "seventy-eight billion, five hundred seventy-two million, two hundred fifteen thousand, ninety-three".