377643066 has 32 divisors (see below), whose sum is σ = 800964288. Its totient is φ = 118291200.

The previous prime is 377643059. The next prime is 377643067. The reversal of 377643066 is 660346773.

It is a super-2 number, since 2×377643066² = 285228570595760712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (377643067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72241 + ... + 77291.

It is an arithmetic number, because the mean of its divisors is an integer number (25030134).

Almost surely, 2^377643066 is an apocalyptic number.

377643066 is an abundant number, since it is smaller than the sum of its proper divisors (423321222).

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

377643066 is a wasteful number, since it uses less digits than its factorization.

377643066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806.

The product of its (nonzero) digits is 381024, while the sum is 42.

The square root of 377643066 is about 19433.0405752677. The cubic root of 377643066 is about 722.8150251166.

The spelling of 377643066 in words is "three hundred seventy-seven million, six hundred forty-three thousand, sixty-six".