499977155 has 16 divisors (see below), whose sum is σ = 604317024. Its totient is φ = 397098240.

The previous prime is 499977133. The next prime is 499977161. The reversal of 499977155 is 551779994.

It is not a de Polignac number, because 499977155 - 2¹⁰ = 499976131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499977155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524159 + ... + 525111.

It is an arithmetic number, because the mean of its divisors is an integer number (37769814).

Almost surely, 2^499977155 is an apocalyptic number.

499977155 is a deficient number, since it is larger than the sum of its proper divisors (104339869).

499977155 is a wasteful number, since it uses less digits than its factorization.

499977155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606.

The product of its digits is 3572100, while the sum is 56.

The square root of 499977155 is about 22360.1689394334. The cubic root of 499977155 is about 793.6884377410.

The spelling of 499977155 in words is "four hundred ninety-nine million, nine hundred seventy-seven thousand, one hundred fifty-five".