787421464 has 16 divisors (see below), whose sum is σ = 1481636520. Its totient is φ = 392318400.

The previous prime is 787421447. The next prime is 787421471. The reversal of 787421464 is 464124787.

It is a self number, because there is not a number n which added to its sum of digits gives 787421464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171637 + ... + 176164.

Almost surely, 2^787421464 is an apocalyptic number.

It is an amenable number.

787421464 is a deficient number, since it is larger than the sum of its proper divisors (694215056).

787421464 is a wasteful number, since it uses less digits than its factorization.

787421464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348090 (or 348086 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 787421464 is about 28061.0310573222. The cubic root of 787421464 is about 923.4266759395.

The spelling of 787421464 in words is "seven hundred eighty-seven million, four hundred twenty-one thousand, four hundred sixty-four".