78879027 has 4 divisors (see below), whose sum is σ = 105172040. Its totient is φ = 52586016.

The previous prime is 78879007. The next prime is 78879037. The reversal of 78879027 is 72097887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72097887 = 3 ⋅24032629.

It is not a de Polignac number, because 78879027 - 2⁸ = 78878771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78879007) 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, 13146502 + ... + 13146507.

It is an arithmetic number, because the mean of its divisors is an integer number (26293010).

Almost surely, 2^78879027 is an apocalyptic number.

78879027 is a deficient number, since it is larger than the sum of its proper divisors (26293013).

78879027 is a wasteful number, since it uses less digits than its factorization.

78879027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26293012.

The product of its (nonzero) digits is 395136, while the sum is 48.

The square root of 78879027 is about 8881.3865471558. The cubic root of 78879027 is about 428.8649114710.

The spelling of 78879027 in words is "seventy-eight million, eight hundred seventy-nine thousand, twenty-seven".