787128470704 has 40 divisors (see below), whose sum is σ = 1530754895952. Its totient is φ = 392095507200.

The previous prime is 787128470647. The next prime is 787128470707. The reversal of 787128470704 is 407074821787.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (787128470707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27611082 + ... + 27639574.

Almost surely, 2^787128470704 is an apocalyptic number.

It is an amenable number.

787128470704 is a deficient number, since it is larger than the sum of its proper divisors (743626425248).

787128470704 is a wasteful number, since it uses less digits than its factorization.

787128470704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34885 (or 34879 counting only the distinct ones).

The product of its (nonzero) digits is 4917248, while the sum is 55.

The spelling of 787128470704 in words is "seven hundred eighty-seven billion, one hundred twenty-eight million, four hundred seventy thousand, seven hundred four".