88433975421 has 144 divisors (see below), whose sum is σ = 153235152000. Its totient is φ = 50359034880.

The previous prime is 88433975417. The next prime is 88433975429. The reversal of 88433975421 is 12457933488.

It is a happy number.

88433975421 is a `hidden beast` number, since 8 + 8 + 4 + 3 + 3 + 97 + 542 + 1 = 666.

It is not a de Polignac number, because 88433975421 - 2² = 88433975417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88433975429) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 196957405 + ... + 196957853.

It is an arithmetic number, because the mean of its divisors is an integer number (1064133000).

Almost surely, 2^88433975421 is an apocalyptic number.

It is an amenable number.

88433975421 is a deficient number, since it is larger than the sum of its proper divisors (64801176579).

88433975421 is a wasteful number, since it uses less digits than its factorization.

88433975421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 649 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 88433975421 in words is "eighty-eight billion, four hundred thirty-three million, nine hundred seventy-five thousand, four hundred twenty-one".