3804770880021 has 32 divisors (see below), whose sum is σ = 5137589882880. Its totient is φ = 2504387476800.

The previous prime is 3804770880019. The next prime is 3804770880049. The reversal of 3804770880021 is 1200880774083.

It is a happy number.

It is not a de Polignac number, because 3804770880021 - 2¹ = 3804770880019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804770888021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240937636 + ... + 240953426.

It is an arithmetic number, because the mean of its divisors is an integer number (160549683840).

Almost surely, 2^{3804770880021} is an apocalyptic number.

It is an amenable number.

3804770880021 is a deficient number, since it is larger than the sum of its proper divisors (1332819002859).

3804770880021 is a wasteful number, since it uses less digits than its factorization.

3804770880021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18177.

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 3804770880021 in words is "three trillion, eight hundred four billion, seven hundred seventy million, eight hundred eighty thousand, twenty-one".