495723987 has 12 divisors (see below), whose sum is σ = 781140984. Its totient is φ = 300438720.

The previous prime is 495723983. The next prime is 495723997. The reversal of 495723987 is 789327594.

495723987 is a `hidden beast` number, since 495 + 72 + 3 + 9 + 87 = 666.

It is not a de Polignac number, because 495723987 - 2² = 495723983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495723983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2503558 + ... + 2503755.

It is an arithmetic number, because the mean of its divisors is an integer number (65095082).

Almost surely, 2^495723987 is an apocalyptic number.

495723987 is a deficient number, since it is larger than the sum of its proper divisors (285416997).

495723987 is a wasteful number, since it uses less digits than its factorization.

495723987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007330 (or 5007327 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 495723987 is about 22264.8599142236. The cubic root of 495723987 is about 791.4314627644.

It can be divided in two parts, 49 and 5723987, that added together give a triangular number (5724036 = T₃₃₈₃).

The spelling of 495723987 in words is "four hundred ninety-five million, seven hundred twenty-three thousand, nine hundred eighty-seven".