485687983 has 4 divisors (see below), whose sum is σ = 529841448. Its totient is φ = 441534520.

The previous prime is 485687981. The next prime is 485688017. The reversal of 485687983 is 389786584.

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 485687983 - 2¹ = 485687981 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 (485687981) 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, 22076716 + ... + 22076737.

It is an arithmetic number, because the mean of its divisors is an integer number (132460362).

Almost surely, 2^485687983 is an apocalyptic number.

485687983 is a deficient number, since it is larger than the sum of its proper divisors (44153465).

485687983 is a wasteful number, since it uses less digits than its factorization.

485687983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44153464.

The product of its digits is 11612160, while the sum is 58.

The square root of 485687983 is about 22038.3298595878. The cubic root of 485687983 is about 786.0541279491.

The spelling of 485687983 in words is "four hundred eighty-five million, six hundred eighty-seven thousand, nine hundred eighty-three".