187882426368 has 1040 divisors, whose sum is σ = 710428364800. Its totient is φ = 49161240576.

The previous prime is 187882426363. The next prime is 187882426387. The reversal of 187882426368 is 863624288781.

187882426368 is a `hidden beast` number, since 1 + 8 + 78 + 82 + 426 + 3 + 68 = 666.

It is a super-2 number, since 2×187882426368² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187882426363) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1479389121 + ... + 1479389247.

Almost surely, 2^187882426368 is an apocalyptic number.

187882426368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187882426368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355214182400).

187882426368 is an abundant number, since it is smaller than the sum of its proper divisors (522545938432).

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

187882426368 is an equidigital number, since it uses as much as digits as its factorization.

187882426368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 152 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The spelling of 187882426368 in words is "one hundred eighty-seven billion, eight hundred eighty-two million, four hundred twenty-six thousand, three hundred sixty-eight".