1878760872 has 32 divisors (see below), whose sum is σ = 5218780800. Its totient is φ = 626253552.

The previous prime is 1878760867. The next prime is 1878760883. The reversal of 1878760872 is 2780678781.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348768 + ... + 4349199.

It is an arithmetic number, because the mean of its divisors is an integer number (163086900).

Almost surely, 2^1878760872 is an apocalyptic number.

1878760872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1878760872 is an abundant number, since it is smaller than the sum of its proper divisors (3340019928).

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

1878760872 is a wasteful number, since it uses less digits than its factorization.

1878760872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697982 (or 8697972 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The square root of 1878760872 is about 43344.6752439097. The cubic root of 1878760872 is about 1233.9299405879.

The spelling of 1878760872 in words is "one billion, eight hundred seventy-eight million, seven hundred sixty thousand, eight hundred seventy-two".