88396821522 has 12 divisors (see below), whose sum is σ = 191526446670. Its totient is φ = 29465607168.

The previous prime is 88396821503. The next prime is 88396821571. The reversal of 88396821522 is 22512869388.

It is a happy number.

88396821522 is a `hidden beast` number, since 8 + 8 + 3 + 96 + 8 + 21 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68016118401 + 20380703121 = 260799^2 + 142761^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2455467247 + ... + 2455467282.

Almost surely, 2^88396821522 is an apocalyptic number.

88396821522 is an abundant number, since it is smaller than the sum of its proper divisors (103129625148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88396821522 is a wasteful number, since it uses less digits than its factorization.

88396821522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910934537 (or 4910934534 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 88396821522 in words is "eighty-eight billion, three hundred ninety-six million, eight hundred twenty-one thousand, five hundred twenty-two".