25214377764 has 48 divisors (see below), whose sum is σ = 62461542528. Its totient is φ = 7889161728.

The previous prime is 25214377723. The next prime is 25214377819. The reversal of 25214377764 is 46777341252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89592 + ... + 241775.

It is an arithmetic number, because the mean of its divisors is an integer number (1301282136).

Almost surely, 2^25214377764 is an apocalyptic number.

It is an amenable number.

25214377764 is an abundant number, since it is smaller than the sum of its proper divisors (37247164764).

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

25214377764 is a wasteful number, since it uses less digits than its factorization.

25214377764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331764 (or 331762 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 48.

The spelling of 25214377764 in words is "twenty-five billion, two hundred fourteen million, three hundred seventy-seven thousand, seven hundred sixty-four".