464865987 has 8 divisors (see below), whose sum is σ = 639815680. Its totient is φ = 299913480.

The previous prime is 464865979. The next prime is 464866007. The reversal of 464865987 is 789568464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 464865987 - 2³ = 464865979 is a prime.

It is a super-2 number, since 2×464865987² = 432200771738968338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464865917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499187 + ... + 2499372.

It is an arithmetic number, because the mean of its divisors is an integer number (79976960).

Almost surely, 2^464865987 is an apocalyptic number.

464865987 is a deficient number, since it is larger than the sum of its proper divisors (174949693).

464865987 is a wasteful number, since it uses less digits than its factorization.

464865987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998593.

The product of its digits is 11612160, while the sum is 57.

The square root of 464865987 is about 21560.7510768990. The cubic root of 464865987 is about 774.6566565153.

The spelling of 464865987 in words is "four hundred sixty-four million, eight hundred sixty-five thousand, nine hundred eighty-seven".