88631516 has 6 divisors (see below), whose sum is σ = 155105160. Its totient is φ = 44315756.

The previous prime is 88631513. The next prime is 88631611. The reversal of 88631516 is 61513688.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 88631516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88631513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11078936 + ... + 11078943.

It is an arithmetic number, because the mean of its divisors is an integer number (25850860).

Almost surely, 2^88631516 is an apocalyptic number.

It is an amenable number.

88631516 is a deficient number, since it is larger than the sum of its proper divisors (66473644).

88631516 is a wasteful number, since it uses less digits than its factorization.

88631516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22157883 (or 22157881 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 88631516 is about 9414.4312626945. The cubic root of 88631516 is about 445.8574822645.

The spelling of 88631516 in words is "eighty-eight million, six hundred thirty-one thousand, five hundred sixteen".