800712051552 has 72 divisors (see below), whose sum is σ = 2602314174096. Its totient is φ = 228774871296.

The previous prime is 800712051551. The next prime is 800712051613. The reversal of 800712051552 is 255150217008.

800712051552 is a `hidden beast` number, since 8 + 0 + 0 + 71 + 20 + 515 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×800712051552² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800712051551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198587283 + ... + 198591314.

It is an arithmetic number, because the mean of its divisors is an integer number (36143252418).

Almost surely, 2^800712051552 is an apocalyptic number.

It is an amenable number.

800712051552 is an abundant number, since it is smaller than the sum of its proper divisors (1801602122544).

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

800712051552 is a wasteful number, since it uses less digits than its factorization.

800712051552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397178620 (or 397178609 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The spelling of 800712051552 in words is "eight hundred billion, seven hundred twelve million, fifty-one thousand, five hundred fifty-two".