477021380 has 48 divisors (see below), whose sum is σ = 1140338304. Its totient is φ = 165918720.

The previous prime is 477021371. The next prime is 477021383. The reversal of 477021380 is 83120774.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (477021383) 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, 42077 + ... + 52196.

It is an arithmetic number, because the mean of its divisors is an integer number (23757048).

Almost surely, 2^477021380 is an apocalyptic number.

It is an amenable number.

477021380 is an abundant number, since it is smaller than the sum of its proper divisors (663316924).

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

477021380 is a wasteful number, since it uses less digits than its factorization.

477021380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94316 (or 94314 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 477021380 is about 21840.8191238332. The cubic root of 477021380 is about 781.3505967102.

The spelling of 477021380 in words is "four hundred seventy-seven million, twenty-one thousand, three hundred eighty".