25527828772 has 6 divisors (see below), whose sum is σ = 44673700358. Its totient is φ = 12763914384.

The previous prime is 25527828769. The next prime is 25527828827. The reversal of 25527828772 is 27782872552.

It can be written as a sum of positive squares in only one way, i.e., 23175190756 + 2352638016 = 152234^2 + 48504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190978593 + ... + 3190978600.

Almost surely, 2^25527828772 is an apocalyptic number.

It is an amenable number.

25527828772 is a deficient number, since it is larger than the sum of its proper divisors (19145871586).

25527828772 is a wasteful number, since it uses less digits than its factorization.

25527828772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381957197 (or 6381957195 counting only the distinct ones).

The product of its digits is 8780800, while the sum is 55.

The spelling of 25527828772 in words is "twenty-five billion, five hundred twenty-seven million, eight hundred twenty-eight thousand, seven hundred seventy-two".