80635130805888 has 112 divisors (see below), whose sum is σ = 240850271225250. Its totient is φ = 26878376904192.

The previous prime is 80635130805881. The next prime is 80635130805961. The reversal of 80635130805888 is 88850803153608.

80635130805888 is a `hidden beast` number, since 8 + 0 + 6 + 35 + 13 + 0 + 8 + 0 + 588 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80574177121344 + 60953684544 = 8976312^2 + 246888^2 .

It is not an unprimeable number, because it can be changed into a prime (80635130805881) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 431979363 + ... + 432165986.

Almost surely, 2^{80635130805888} is an apocalyptic number.

It is an amenable number.

80635130805888 is an abundant number, since it is smaller than the sum of its proper divisors (160215140419362).

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

80635130805888 is an frugal number, since it uses more digits than its factorization.

80635130805888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864145381 (or 864145354 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 63.

The spelling of 80635130805888 in words is "eighty trillion, six hundred thirty-five billion, one hundred thirty million, eight hundred five thousand, eight hundred eighty-eight".