464782779 has 20 divisors (see below), whose sum is σ = 699317080. Its totient is φ = 307618560.

The previous prime is 464782757. The next prime is 464782817. The reversal of 464782779 is 977287464.

464782779 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 464782779 - 2⁹ = 464782267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464782079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9382 + ... + 31899.

It is an arithmetic number, because the mean of its divisors is an integer number (34965854).

Almost surely, 2^464782779 is an apocalyptic number.

464782779 is a deficient number, since it is larger than the sum of its proper divisors (234534301).

464782779 is a wasteful number, since it uses less digits than its factorization.

464782779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41432 (or 41423 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 464782779 is about 21558.8213731642. The cubic root of 464782779 is about 774.6104342497.

The spelling of 464782779 in words is "four hundred sixty-four million, seven hundred eighty-two thousand, seven hundred seventy-nine".