61963000488 has 128 divisors (see below), whose sum is σ = 182119440000. Its totient is φ = 19465629696.

The previous prime is 61963000471. The next prime is 61963000513. The reversal of 61963000488 is 88400036916.

61963000488 is a `hidden beast` number, since 6 + 1 + 9 + 630 + 0 + 0 + 4 + 8 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752958 + ... + 831186.

It is an arithmetic number, because the mean of its divisors is an integer number (1422808125).

Almost surely, 2^61963000488 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 61963000488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91059720000).

61963000488 is an abundant number, since it is smaller than the sum of its proper divisors (120156439512).

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

61963000488 is a wasteful number, since it uses less digits than its factorization.

61963000488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78456 (or 78446 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 61963000488 in words is "sixty-one billion, nine hundred sixty-three million, four hundred eighty-eight", and thus it is an aban number.