104311927820 has 24 divisors (see below), whose sum is σ = 219100896000. Its totient is φ = 41716038272.

The previous prime is 104311927813. The next prime is 104311927829. The reversal of 104311927820 is 28729113401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (104311927829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447425 + ... + 639384.

It is an arithmetic number, because the mean of its divisors is an integer number (9129204000).

Almost surely, 2^104311927820 is an apocalyptic number.

104311927820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104311927820 is an abundant number, since it is smaller than the sum of its proper divisors (114788968180).

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

104311927820 is a wasteful number, since it uses less digits than its factorization.

104311927820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091617 (or 1091615 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 104311927820 in words is "one hundred four billion, three hundred eleven million, nine hundred twenty-seven thousand, eight hundred twenty".