486406779 has 4 divisors (see below), whose sum is σ = 648542376. Its totient is φ = 324271184.

The previous prime is 486406769. The next prime is 486406831. The reversal of 486406779 is 977604684.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 486406779 - 2⁷ = 486406651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (486406769) 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, 81067794 + ... + 81067799.

It is an arithmetic number, because the mean of its divisors is an integer number (162135594).

Almost surely, 2^486406779 is an apocalyptic number.

486406779 is a deficient number, since it is larger than the sum of its proper divisors (162135597).

486406779 is a wasteful number, since it uses less digits than its factorization.

486406779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162135596.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 486406779 is about 22054.6316904182. The cubic root of 486406779 is about 786.4417115286.

The spelling of 486406779 in words is "four hundred eighty-six million, four hundred six thousand, seven hundred seventy-nine".