88380138464 has 24 divisors (see below), whose sum is σ = 174024447408. Its totient is φ = 44183453440.

The previous prime is 88380138463. The next prime is 88380138523. The reversal of 88380138464 is 46483108388.

It is a super-2 number, since 2×88380138464² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88380138463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13964 + ... + 420660.

It is an arithmetic number, because the mean of its divisors is an integer number (7251018642).

Almost surely, 2^88380138464 is an apocalyptic number.

It is an amenable number.

88380138464 is a deficient number, since it is larger than the sum of its proper divisors (85644308944).

88380138464 is a wasteful number, since it uses less digits than its factorization.

88380138464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413498 (or 413490 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 88380138464 in words is "eighty-eight billion, three hundred eighty million, one hundred thirty-eight thousand, four hundred sixty-four".