499287855 has 16 divisors (see below), whose sum is σ = 871484544. Its totient is φ = 242078880.

The previous prime is 499287853. The next prime is 499287863. The reversal of 499287855 is 558782994.

It is a happy number.

It is not a de Polignac number, because 499287855 - 2¹ = 499287853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499287795 and 499287804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499287853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512829 + ... + 1513158.

It is an arithmetic number, because the mean of its divisors is an integer number (54467784).

Almost surely, 2^499287855 is an apocalyptic number.

499287855 is a deficient number, since it is larger than the sum of its proper divisors (372196689).

499287855 is a wasteful number, since it uses less digits than its factorization.

499287855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026006.

The product of its digits is 7257600, while the sum is 57.

The square root of 499287855 is about 22344.7500545430. The cubic root of 499287855 is about 793.3235270347.

The spelling of 499287855 in words is "four hundred ninety-nine million, two hundred eighty-seven thousand, eight hundred fifty-five".