3972876420428 has 6 divisors (see below), whose sum is σ = 6952533735756. Its totient is φ = 1986438210212.

The previous prime is 3972876420347. The next prime is 3972876420479. The reversal of 3972876420428 is 8240246782793.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496609552550 + ... + 496609552557.

It is an arithmetic number, because the mean of its divisors is an integer number (1158755622626).

Almost surely, 2^{3972876420428} is an apocalyptic number.

It is an amenable number.

3972876420428 is a deficient number, since it is larger than the sum of its proper divisors (2979657315328).

3972876420428 is a wasteful number, since it uses less digits than its factorization.

3972876420428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993219105111 (or 993219105109 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 3972876420428 in words is "three trillion, nine hundred seventy-two billion, eight hundred seventy-six million, four hundred twenty thousand, four hundred twenty-eight".