3770864856 has 96 divisors (see below), whose sum is σ = 11159104320. Its totient is φ = 1140849600.

The previous prime is 3770864837. The next prime is 3770864861. The reversal of 3770864856 is 6584680773.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537451 + ... + 544421.

It is an arithmetic number, because the mean of its divisors is an integer number (116240670).

Almost surely, 2^3770864856 is an apocalyptic number.

3770864856 is a gapful number since it is divisible by the number (36) 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 3770864856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5579552160).

3770864856 is an abundant number, since it is smaller than the sum of its proper divisors (7388239464).

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

3770864856 is a wasteful number, since it uses less digits than its factorization.

3770864856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677 (or 7670 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 3770864856 is about 61407.3680921109. The cubic root of 3770864856 is about 1556.4923457882.

The spelling of 3770864856 in words is "three billion, seven hundred seventy million, eight hundred sixty-four thousand, eight hundred fifty-six".