79025878 has 4 divisors (see below), whose sum is σ = 118538820. Its totient is φ = 39512938.

The previous prime is 79025797. The next prime is 79025879. The reversal of 79025878 is 87852097.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79025879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19756468 + ... + 19756471.

It is an arithmetic number, because the mean of its divisors is an integer number (29634705).

Almost surely, 2^79025878 is an apocalyptic number.

79025878 is a deficient number, since it is larger than the sum of its proper divisors (39512942).

79025878 is a wasteful number, since it uses less digits than its factorization.

79025878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39512941.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 79025878 is about 8889.6500493551. The cubic root of 79025878 is about 429.1308892201.

The spelling of 79025878 in words is "seventy-nine million, twenty-five thousand, eight hundred seventy-eight".