377966962921 has 16 divisors (see below), whose sum is σ = 396575568000. Its totient is φ = 359731814400.

The previous prime is 377966962897. The next prime is 377966962957. The reversal of 377966962921 is 129269669773.

It is a cyclic number.

It is not a de Polignac number, because 377966962921 - 2⁹ = 377966962409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377966962421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15803230 + ... + 15827128.

It is an arithmetic number, because the mean of its divisors is an integer number (24785973000).

Almost surely, 2^377966962921 is an apocalyptic number.

It is an amenable number.

377966962921 is a deficient number, since it is larger than the sum of its proper divisors (18608605079).

377966962921 is a wasteful number, since it uses less digits than its factorization.

377966962921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31680.

The product of its digits is 92588832, while the sum is 67.

The spelling of 377966962921 in words is "three hundred seventy-seven billion, nine hundred sixty-six million, nine hundred sixty-two thousand, nine hundred twenty-one".