61887500948 has 96 divisors (see below), whose sum is σ = 142407014400. Its totient is φ = 22848034176.

The previous prime is 61887500923. The next prime is 61887500981. The reversal of 61887500948 is 84900578816.

It is a junction number, because it is equal to n+sod(n) for n = 61887500893 and 61887500902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396593 + ... + 530151.

It is an arithmetic number, because the mean of its divisors is an integer number (1483406400).

Almost surely, 2^61887500948 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 61887500948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71203507200).

61887500948 is an abundant number, since it is smaller than the sum of its proper divisors (80519513452).

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

61887500948 is a wasteful number, since it uses less digits than its factorization.

61887500948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133669 (or 133667 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 61887500948 in words is "sixty-one billion, eight hundred eighty-seven million, five hundred thousand, nine hundred forty-eight".