377821738416 has 80 divisors (see below), whose sum is σ = 982673828064. Its totient is φ = 125085222912.

The previous prime is 377821738387. The next prime is 377821738421. The reversal of 377821738416 is 614837128773.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20285140 + ... + 20303756.

Almost surely, 2^377821738416 is an apocalyptic number.

It is an amenable number.

377821738416 is an abundant number, since it is smaller than the sum of its proper divisors (604852089648).

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

377821738416 is a wasteful number, since it uses less digits than its factorization.

377821738416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21478 (or 21472 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 57.

The spelling of 377821738416 in words is "three hundred seventy-seven billion, eight hundred twenty-one million, seven hundred thirty-eight thousand, four hundred sixteen".