88340728664 has 64 divisors (see below), whose sum is σ = 169253936640. Its totient is φ = 43217418240.

The previous prime is 88340728661. The next prime is 88340728699. The reversal of 88340728664 is 46682704388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88340728661) 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, 50974742 + ... + 50976474.

It is an arithmetic number, because the mean of its divisors is an integer number (2644592760).

Almost surely, 2^88340728664 is an apocalyptic number.

It is an amenable number.

88340728664 is a deficient number, since it is larger than the sum of its proper divisors (80913207976).

88340728664 is a wasteful number, since it uses less digits than its factorization.

88340728664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 88340728664 in words is "eighty-eight billion, three hundred forty million, seven hundred twenty-eight thousand, six hundred sixty-four".