2488025978 has 4 divisors (see below), whose sum is σ = 3732038970. Its totient is φ = 1244012988.

The previous prime is 2488025951. The next prime is 2488025987. The reversal of 2488025978 is 8795208842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2401294009 + 86731969 = 49003^2 + 9313^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622006493 + ... + 622006496.

Almost surely, 2^2488025978 is an apocalyptic number.

2488025978 is a deficient number, since it is larger than the sum of its proper divisors (1244012992).

2488025978 is a wasteful number, since it uses less digits than its factorization.

2488025978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244012991.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 2488025978 is about 49880.1160584055. The cubic root of 2488025978 is about 1355.0385065513.

The spelling of 2488025978 in words is "two billion, four hundred eighty-eight million, twenty-five thousand, nine hundred seventy-eight".