245790978860 has 24 divisors (see below), whose sum is σ = 589898349600. Its totient is φ = 84271192704.

The previous prime is 245790978821. The next prime is 245790978863. The reversal of 245790978860 is 68879097542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245790978863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877824785 + ... + 877825064.

It is an arithmetic number, because the mean of its divisors is an integer number (24579097900).

Almost surely, 2^245790978860 is an apocalyptic number.

245790978860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245790978860 is an abundant number, since it is smaller than the sum of its proper divisors (344107370740).

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

245790978860 is a wasteful number, since it uses less digits than its factorization.

245790978860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755649865 (or 1755649863 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 245790978860 in words is "two hundred forty-five billion, seven hundred ninety million, nine hundred seventy-eight thousand, eight hundred sixty".