499897077156 has 27 divisors (see below), whose sum is σ = 1263639446251. Its totient is φ = 166630944984.

The previous prime is 499897077149. The next prime is 499897077181. The reversal of 499897077156 is 651770798994.

The square root of 499897077156 is 707034.

It is a perfect power (a square), and thus also a powerful number.

499897077156 is a `hidden beast` number, since 499 + 89 + 7 + 0 + 7 + 7 + 1 + 56 = 666.

It is a super-2 number, since 2×499897077156² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4183285 + ... + 4301123.

Almost surely, 2^499897077156 is an apocalyptic number.

499897077156 is the 707034-th square number.

It is an amenable number.

499897077156 is an abundant number, since it is smaller than the sum of its proper divisors (763742369095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499897077156 is an frugal number, since it uses more digits than its factorization.

499897077156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235688 (or 117844 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 72.

The spelling of 499897077156 in words is "four hundred ninety-nine billion, eight hundred ninety-seven million, seventy-seven thousand, one hundred fifty-six".