2567987748 has 72 divisors (see below), whose sum is σ = 6574349600. Its totient is φ = 845116416.

The previous prime is 2567987687. The next prime is 2567987753. The reversal of 2567987748 is 8477897652.

It is a super-2 number, since 2×2567987748² = 13189122147756223008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964443 + ... + 967101.

Almost surely, 2^2567987748 is an apocalyptic number.

It is an amenable number.

2567987748 is an abundant number, since it is smaller than the sum of its proper divisors (4006361852).

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

2567987748 is a wasteful number, since it uses less digits than its factorization.

2567987748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2996 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The square root of 2567987748 is about 50675.3169501682. The cubic root of 2567987748 is about 1369.4020776890.

The spelling of 2567987748 in words is "two billion, five hundred sixty-seven million, nine hundred eighty-seven thousand, seven hundred forty-eight".