8881600421 has 4 divisors (see below), whose sum is σ = 9088149312. Its totient is φ = 8675051532.

The previous prime is 8881600417. The next prime is 8881600433. The reversal of 8881600421 is 1240061888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8881600421 - 2² = 8881600417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8881603421) 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, 103274381 + ... + 103274466.

It is an arithmetic number, because the mean of its divisors is an integer number (2272037328).

Almost surely, 2^8881600421 is an apocalyptic number.

It is an amenable number.

8881600421 is a deficient number, since it is larger than the sum of its proper divisors (206548891).

8881600421 is a wasteful number, since it uses less digits than its factorization.

8881600421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206548890.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 8881600421 is about 94242.2432935464. The cubic root of 8881600421 is about 2070.9220083782.

The spelling of 8881600421 in words is "eight billion, eight hundred eighty-one million, six hundred thousand, four hundred twenty-one".