3125894784 has 32 divisors (see below), whose sum is σ = 8303159040. Its totient is φ = 1041964800.

The previous prime is 3125894747. The next prime is 3125894803. The reversal of 3125894784 is 4874985213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4069792 + ... + 4070559.

It is an arithmetic number, because the mean of its divisors is an integer number (259473720).

Almost surely, 2^3125894784 is an apocalyptic number.

It is an amenable number.

3125894784 is an abundant number, since it is smaller than the sum of its proper divisors (5177264256).

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

3125894784 is an equidigital number, since it uses as much as digits as its factorization.

3125894784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140368 (or 8140356 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 3125894784 is about 55909.7020560833. The cubic root of 3125894784 is about 1462.1483952191.

The spelling of 3125894784 in words is "three billion, one hundred twenty-five million, eight hundred ninety-four thousand, seven hundred eighty-four".