88631279 has 16 divisors (see below), whose sum is σ = 100980000. Its totient is φ = 77051520.

The previous prime is 88631267. The next prime is 88631281. The reversal of 88631279 is 97213688.

88631279 = 360² + 361² + ... + 678².

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88631279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88631209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33497 + ... + 36045.

It is an arithmetic number, because the mean of its divisors is an integer number (6311250).

Almost surely, 2^88631279 is an apocalyptic number.

88631279 is a deficient number, since it is larger than the sum of its proper divisors (12348721).

88631279 is a wasteful number, since it uses less digits than its factorization.

88631279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698.

The product of its digits is 145152, while the sum is 44.

The square root of 88631279 is about 9414.4186756273. The cubic root of 88631279 is about 445.8570848576.

The spelling of 88631279 in words is "eighty-eight million, six hundred thirty-one thousand, two hundred seventy-nine".