716428788 has 12 divisors (see below), whose sum is σ = 1671667200. Its totient is φ = 238809592.

The previous prime is 716428777. The next prime is 716428813. The reversal of 716428788 is 887824617.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 716428788.

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, 29851188 + ... + 29851211.

It is an arithmetic number, because the mean of its divisors is an integer number (139305600).

Almost surely, 2^716428788 is an apocalyptic number.

It is an amenable number.

716428788 is an abundant number, since it is smaller than the sum of its proper divisors (955238412).

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

716428788 is a wasteful number, since it uses less digits than its factorization.

716428788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59702406 (or 59702404 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 51.

The square root of 716428788 is about 26766.1874012718. The cubic root of 716428788 is about 894.7966363786.

The spelling of 716428788 in words is "seven hundred sixteen million, four hundred twenty-eight thousand, seven hundred eighty-eight".