25277775050 has 24 divisors (see below), whose sum is σ = 51290904672. Its totient is φ = 9191918000.

The previous prime is 25277775049. The next prime is 25277775079. The reversal of 25277775050 is 5057777252.

It is a super-2 number, since 2×25277775050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25277774986 and 25277775004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22979246 + ... + 22980345.

It is an arithmetic number, because the mean of its divisors is an integer number (2137121028).

Almost surely, 2^25277775050 is an apocalyptic number.

25277775050 is an abundant number, since it is smaller than the sum of its proper divisors (26013129622).

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

25277775050 is a wasteful number, since it uses less digits than its factorization.

25277775050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45959614 (or 45959609 counting only the distinct ones).

The product of its (nonzero) digits is 1200500, while the sum is 47.

The spelling of 25277775050 in words is "twenty-five billion, two hundred seventy-seven million, seven hundred seventy-five thousand, fifty".