787343964 has 48 divisors (see below), whose sum is σ = 2109636480. Its totient is φ = 226031040.

The previous prime is 787343927. The next prime is 787343987. The reversal of 787343964 is 469343787.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154459 + ... + 159474.

It is an arithmetic number, because the mean of its divisors is an integer number (43950760).

Almost surely, 2^787343964 is an apocalyptic number.

It is an amenable number.

787343964 is an abundant number, since it is smaller than the sum of its proper divisors (1322292516).

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

787343964 is a wasteful number, since it uses less digits than its factorization.

787343964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313970 (or 313968 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The square root of 787343964 is about 28059.6501047322. The cubic root of 787343964 is about 923.3963796206.

The spelling of 787343964 in words is "seven hundred eighty-seven million, three hundred forty-three thousand, nine hundred sixty-four".