23277768818 has 8 divisors (see below), whose sum is σ = 35337336048. Its totient is φ = 11498656804.

The previous prime is 23277768817. The next prime is 23277768827. The reversal of 23277768818 is 81886777232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23277768818² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23277768817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70113596 + ... + 70113927.

It is an arithmetic number, because the mean of its divisors is an integer number (4417167006).

Almost surely, 2^23277768818 is an apocalyptic number.

23277768818 is a deficient number, since it is larger than the sum of its proper divisors (12059567230).

23277768818 is a wasteful number, since it uses less digits than its factorization.

23277768818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140227608.

The product of its digits is 12644352, while the sum is 59.

The spelling of 23277768818 in words is "twenty-three billion, two hundred seventy-seven million, seven hundred sixty-eight thousand, eight hundred eighteen".