486377661 has 32 divisors (see below), whose sum is σ = 823799808. Its totient is φ = 247890240.

The previous prime is 486377657. The next prime is 486377707. The reversal of 486377661 is 166773684.

It is not a de Polignac number, because 486377661 - 2² = 486377657 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 486377661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486377621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7621 + ... + 32106.

It is an arithmetic number, because the mean of its divisors is an integer number (25743744).

Almost surely, 2^486377661 is an apocalyptic number.

It is an amenable number.

486377661 is a deficient number, since it is larger than the sum of its proper divisors (337422147).

486377661 is a wasteful number, since it uses less digits than its factorization.

486377661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39801.

The product of its digits is 1016064, while the sum is 48.

The square root of 486377661 is about 22053.9715470933. The cubic root of 486377661 is about 786.4260181709.

The spelling of 486377661 in words is "four hundred eighty-six million, three hundred seventy-seven thousand, six hundred sixty-one".