88679709 has 12 divisors (see below), whose sum is σ = 132510300. Its totient is φ = 57081024.

The previous prime is 88679687. The next prime is 88679711. The reversal of 88679709 is 90797688.

It can be written as a sum of positive squares in 2 ways, for example, as 17614809 + 71064900 = 4197^2 + 8430^2 .

It is not a de Polignac number, because 88679709 - 2⁹ = 88679197 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88679719) 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, 169624 + ... + 170145.

It is an arithmetic number, because the mean of its divisors is an integer number (11042525).

Almost surely, 2^88679709 is an apocalyptic number.

It is an amenable number.

88679709 is a deficient number, since it is larger than the sum of its proper divisors (43830591).

88679709 is a wasteful number, since it uses less digits than its factorization.

88679709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339804 (or 339801 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 88679709 is about 9416.9904428113. The cubic root of 88679709 is about 445.9382786421.

The spelling of 88679709 in words is "eighty-eight million, six hundred seventy-nine thousand, seven hundred nine".