787878264 has 32 divisors (see below), whose sum is σ = 2037618000. Its totient is φ = 253569792.

The previous prime is 787878251. The next prime is 787878313. The reversal of 787878264 is 462878787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565309 + ... + 566700.

Almost surely, 2^787878264 is an apocalyptic number.

It is an amenable number.

787878264 is an abundant number, since it is smaller than the sum of its proper divisors (1249739736).

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

787878264 is a wasteful number, since it uses less digits than its factorization.

787878264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132047 (or 1132043 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 57.

The square root of 787878264 is about 28069.1692787656. The cubic root of 787878264 is about 923.6052079294.

The spelling of 787878264 in words is "seven hundred eighty-seven million, eight hundred seventy-eight thousand, two hundred sixty-four".