23277818880 has 660 divisors, whose sum is σ = 87820893468. Its totient is φ = 5892341760.

The previous prime is 23277818869. The next prime is 23277818881. The reversal of 23277818880 is 8881877232.

It can be written as a sum of positive squares in 6 ways, for example, as 241864704 + 23035954176 = 15552^2 + 151776^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23277818881) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 567751660 + ... + 567751700.

Almost surely, 2^23277818880 is an apocalyptic number.

23277818880 is a gapful number since it is divisible by the number (20) 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 23277818880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43910446734).

23277818880 is an abundant number, since it is smaller than the sum of its proper divisors (64543074588).

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

23277818880 is an equidigital number, since it uses as much as digits as its factorization.

23277818880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The spelling of 23277818880 in words is "twenty-three billion, two hundred seventy-seven million, eight hundred eighteen thousand, eight hundred eighty".