78942027 has 8 divisors (see below), whose sum is σ = 108651520. Its totient is φ = 50930280.

The previous prime is 78942011. The next prime is 78942091. The reversal of 78942027 is 72024987.

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

It is not a de Polignac number, because 78942027 - 2⁴ = 78942011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78942007) 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, 424327 + ... + 424512.

It is an arithmetic number, because the mean of its divisors is an integer number (13581440).

Almost surely, 2^78942027 is an apocalyptic number.

78942027 is a deficient number, since it is larger than the sum of its proper divisors (29709493).

78942027 is a wasteful number, since it uses less digits than its factorization.

78942027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848873.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 78942027 is about 8884.9325827493. The cubic root of 78942027 is about 428.9790579917.

The spelling of 78942027 in words is "seventy-eight million, nine hundred forty-two thousand, twenty-seven".