61046587008 has 240 divisors, whose sum is σ = 199694979330. Its totient is φ = 18498585600.

The previous prime is 61046586989. The next prime is 61046587013. The reversal of 61046587008 is 80078564016.

It is a happy number.

61046587008 is a `hidden beast` number, since 61 + 0 + 4 + 6 + 587 + 0 + 0 + 8 = 666.

61046587008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56078028864 + 4968558144 = 236808^2 + 70488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1230198 + ... + 1278858.

Almost surely, 2^61046587008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61046587008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99847489665).

61046587008 is an abundant number, since it is smaller than the sum of its proper divisors (138648392322).

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

61046587008 is a wasteful number, since it uses less digits than its factorization.

61046587008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48709 (or 48677 counting only the distinct ones).

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

The spelling of 61046587008 in words is "sixty-one billion, forty-six million, five hundred eighty-seven thousand, eight".