493211877 has 8 divisors (see below), whose sum is σ = 658469664. Its totient is φ = 328381008.

The previous prime is 493211869. The next prime is 493211897. The reversal of 493211877 is 778112394.

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

It is not a de Polignac number, because 493211877 - 2³ = 493211869 is a prime.

It is a super-2 number, since 2×493211877² = 486515911227726258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493211897) 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, 104023 + ... + 108660.

It is an arithmetic number, because the mean of its divisors is an integer number (82308708).

Almost surely, 2^493211877 is an apocalyptic number.

It is an amenable number.

493211877 is a deficient number, since it is larger than the sum of its proper divisors (165257787).

493211877 is a wasteful number, since it uses less digits than its factorization.

493211877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213459.

The product of its digits is 84672, while the sum is 42.

The square root of 493211877 is about 22208.3740287307. The cubic root of 493211877 is about 790.0923232379.

The spelling of 493211877 in words is "four hundred ninety-three million, two hundred eleven thousand, eight hundred seventy-seven".