78572106827 has 8 divisors (see below), whose sum is σ = 79296174720. Its totient is φ = 77848543360.

The previous prime is 78572106763. The next prime is 78572106859. The reversal of 78572106827 is 72860127587.

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 78572106827 - 2⁶ = 78572106763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78572106527) 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, 190502 + ... + 439812.

It is an arithmetic number, because the mean of its divisors is an integer number (9912021840).

Almost surely, 2^78572106827 is an apocalyptic number.

78572106827 is a deficient number, since it is larger than the sum of its proper divisors (724067893).

78572106827 is a wasteful number, since it uses less digits than its factorization.

78572106827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252213.

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 78572106827 in words is "seventy-eight billion, five hundred seventy-two million, one hundred six thousand, eight hundred twenty-seven".