787132493 has 4 divisors (see below), whose sum is σ = 899580000. Its totient is φ = 674684988.

The previous prime is 787132469. The next prime is 787132543. The reversal of 787132493 is 394231787.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 787132493 - 2²⁸ = 518697037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787131493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56223743 + ... + 56223756.

It is an arithmetic number, because the mean of its divisors is an integer number (224895000).

Almost surely, 2^787132493 is an apocalyptic number.

It is an amenable number.

787132493 is a deficient number, since it is larger than the sum of its proper divisors (112447507).

787132493 is a wasteful number, since it uses less digits than its factorization.

787132493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112447506.

The product of its digits is 254016, while the sum is 44.

The square root of 787132493 is about 28055.8816115267. The cubic root of 787132493 is about 923.3137012107.

The spelling of 787132493 in words is "seven hundred eighty-seven million, one hundred thirty-two thousand, four hundred ninety-three".