61025207868 has 60 divisors (see below), whose sum is σ = 159568477992. Its totient is φ = 20337078240.

The previous prime is 61025207857. The next prime is 61025207909. The reversal of 61025207868 is 86870252016.

61025207868 is a `hidden beast` number, since 61 + 0 + 2 + 520 + 7 + 8 + 68 = 666.

61025207868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1578546 + ... + 1616742.

Almost surely, 2^61025207868 is an apocalyptic number.

It is an amenable number.

61025207868 is an abundant number, since it is smaller than the sum of its proper divisors (98543270124).

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

61025207868 is a wasteful number, since it uses less digits than its factorization.

61025207868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43144 (or 43133 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 61025207868 in words is "sixty-one billion, twenty-five million, two hundred seven thousand, eight hundred sixty-eight".