3787920870 has 16 divisors (see below), whose sum is σ = 9091010160. Its totient is φ = 1010112224.

The previous prime is 3787920839. The next prime is 3787920881. The reversal of 3787920870 is 780297873.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63131985 + ... + 63132044.

It is an arithmetic number, because the mean of its divisors is an integer number (568188135).

Almost surely, 2^3787920870 is an apocalyptic number.

3787920870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3787920870 is an abundant number, since it is smaller than the sum of its proper divisors (5303089290).

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

3787920870 is a wasteful number, since it uses less digits than its factorization.

3787920870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126264039.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The square root of 3787920870 is about 61546.0873654857. The cubic root of 3787920870 is about 1558.8355420880.

The spelling of 3787920870 in words is "three billion, seven hundred eighty-seven million, nine hundred twenty thousand, eight hundred seventy".