3773220864 has 192 divisors, whose sum is σ = 11699251200. Its totient is φ = 1059078144.

The previous prime is 3773220851. The next prime is 3773220877. The reversal of 3773220864 is 4680223773.

It is an interprime number because it is at equal distance from previous prime (3773220851) and next prime (3773220877).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2536729 + ... + 2538215.

It is an arithmetic number, because the mean of its divisors is an integer number (60933600).

Almost surely, 2^3773220864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3773220864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5849625600).

3773220864 is an abundant number, since it is smaller than the sum of its proper divisors (7926030336).

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

3773220864 is a wasteful number, since it uses less digits than its factorization.

3773220864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 3773220864 is about 61426.5485274893. The cubic root of 3773220864 is about 1556.8164398707.

The spelling of 3773220864 in words is "three billion, seven hundred seventy-three million, two hundred twenty thousand, eight hundred sixty-four".