3873457775420 has 24 divisors (see below), whose sum is σ = 8396656856448. Its totient is φ = 1499403009600.

The previous prime is 3873457775419. The next prime is 3873457775483. The reversal of 3873457775420 is 245777543783.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

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, 3123755651 + ... + 3123756890.

It is an arithmetic number, because the mean of its divisors is an integer number (349860702352).

Almost surely, 2^{3873457775420} is an apocalyptic number.

It is an amenable number.

3873457775420 is an abundant number, since it is smaller than the sum of its proper divisors (4523199081028).

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

3873457775420 is a wasteful number, since it uses less digits than its factorization.

3873457775420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247512581 (or 6247512579 counting only the distinct ones).

The product of its (nonzero) digits is 138297600, while the sum is 62.

The spelling of 3873457775420 in words is "three trillion, eight hundred seventy-three billion, four hundred fifty-seven million, seven hundred seventy-five thousand, four hundred twenty".