320466477 has 4 divisors (see below), whose sum is σ = 427288640. Its totient is φ = 213644316.

The previous prime is 320466469. The next prime is 320466491. The reversal of 320466477 is 774664023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320466477 - 2³ = 320466469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320466077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53411077 + ... + 53411082.

It is an arithmetic number, because the mean of its divisors is an integer number (106822160).

Almost surely, 2^320466477 is an apocalyptic number.

It is an amenable number.

320466477 is a deficient number, since it is larger than the sum of its proper divisors (106822163).

320466477 is a wasteful number, since it uses less digits than its factorization.

320466477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106822162.

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 320466477 is about 17901.5775003210. The cubic root of 320466477 is about 684.3225774904.

The spelling of 320466477 in words is "three hundred twenty million, four hundred sixty-six thousand, four hundred seventy-seven".