8861861376 has 400 divisors, whose sum is σ = 27996743808. Its totient is φ = 2786918400.

The previous prime is 8861861339. The next prime is 8861861417. The reversal of 8861861376 is 6731681688.

8861861376 is a `hidden beast` number, since 8 + 8 + 6 + 18 + 613 + 7 + 6 = 666.

It is a super-2 number, since 2×8861861376² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 78423496 + ... + 78423608.

Almost surely, 2^8861861376 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 8861861376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13998371904).

8861861376 is an abundant number, since it is smaller than the sum of its proper divisors (19134882432).

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

8861861376 is a wasteful number, since it uses less digits than its factorization.

8861861376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 210 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 8861861376 is about 94137.4600039750. The cubic root of 8861861376 is about 2069.3866866063.

The spelling of 8861861376 in words is "eight billion, eight hundred sixty-one million, eight hundred sixty-one thousand, three hundred seventy-six".