88139079 has 12 divisors (see below), whose sum is σ = 145499536. Its totient is φ = 50365152.

The previous prime is 88139071. The next prime is 88139089. The reversal of 88139079 is 97093188.

It is not a de Polignac number, because 88139079 - 2³ = 88139071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88139071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699454 + ... + 699579.

Almost surely, 2^88139079 is an apocalyptic number.

88139079 is a deficient number, since it is larger than the sum of its proper divisors (57360457).

88139079 is a wasteful number, since it uses less digits than its factorization.

88139079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399046 (or 1399043 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 88139079 is about 9388.2415286357. The cubic root of 88139079 is about 445.0302197211.

The spelling of 88139079 in words is "eighty-eight million, one hundred thirty-nine thousand, seventy-nine".