88731287 has 2 divisors, whose sum is σ = 88731288. Its totient is φ = 88731286.

The previous prime is 88731283. The next prime is 88731301. The reversal of 88731287 is 78213788.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88731287 - 2² = 88731283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88731283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44365643 + 44365644.

It is an arithmetic number, because the mean of its divisors is an integer number (44365644).

Almost surely, 2^88731287 is an apocalyptic number.

88731287 is a deficient number, since it is larger than the sum of its proper divisors (1).

88731287 is an equidigital number, since it uses as much as digits as its factorization.

88731287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 44.

The square root of 88731287 is about 9419.7286054323. The cubic root of 88731287 is about 446.0247176070.

The spelling of 88731287 in words is "eighty-eight million, seven hundred thirty-one thousand, two hundred eighty-seven".