377221990 has 8 divisors (see below), whose sum is σ = 678999600. Its totient is φ = 150888792.

The previous prime is 377221979. The next prime is 377221997. The reversal of 377221990 is 99122773.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377221997) 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 3 ways as a sum of consecutive naturals, for example, 18861090 + ... + 18861109.

It is an arithmetic number, because the mean of its divisors is an integer number (84874950).

Almost surely, 2^377221990 is an apocalyptic number.

377221990 is a deficient number, since it is larger than the sum of its proper divisors (301777610).

377221990 is a wasteful number, since it uses less digits than its factorization.

377221990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37722206.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 377221990 is about 19422.2035310106. The cubic root of 377221990 is about 722.5462764148.

The spelling of 377221990 in words is "three hundred seventy-seven million, two hundred twenty-one thousand, nine hundred ninety".