377921407 has 8 divisors (see below), whose sum is σ = 408666816. Its totient is φ = 348122112.

The previous prime is 377921363. The next prime is 377921431. The reversal of 377921407 is 704129773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 377921407 - 2¹⁵ = 377888639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 377921407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377921207) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 235698 + ... + 237295.

It is an arithmetic number, because the mean of its divisors is an integer number (51083352).

Almost surely, 2^377921407 is an apocalyptic number.

377921407 is a deficient number, since it is larger than the sum of its proper divisors (30745409).

377921407 is a wasteful number, since it uses less digits than its factorization.

377921407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473057.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 377921407 is about 19440.2007962881. The cubic root of 377921407 is about 722.9925645858.

The spelling of 377921407 in words is "three hundred seventy-seven million, nine hundred twenty-one thousand, four hundred seven".