872451276 has 12 divisors (see below), whose sum is σ = 2035719672. Its totient is φ = 290817088.

The previous prime is 872451257. The next prime is 872451277. The reversal of 872451276 is 672154278.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×872451276² = 1522342457988056352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872451277) 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, 36352125 + ... + 36352148.

It is an arithmetic number, because the mean of its divisors is an integer number (169643306).

Almost surely, 2^872451276 is an apocalyptic number.

It is an amenable number.

872451276 is an abundant number, since it is smaller than the sum of its proper divisors (1163268396).

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

872451276 is a wasteful number, since it uses less digits than its factorization.

872451276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72704280 (or 72704278 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 872451276 is about 29537.2861989723. The cubic root of 872451276 is about 955.5360151664.

The spelling of 872451276 in words is "eight hundred seventy-two million, four hundred fifty-one thousand, two hundred seventy-six".