78800628 has 24 divisors (see below), whose sum is σ = 186459840. Its totient is φ = 25896640.

The previous prime is 78800621. The next prime is 78800671. The reversal of 78800628 is 82600887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78800621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45393 + ... + 47096.

It is an arithmetic number, because the mean of its divisors is an integer number (7769160).

Almost surely, 2^78800628 is an apocalyptic number.

It is an amenable number.

78800628 is an abundant number, since it is smaller than the sum of its proper divisors (107659212).

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

78800628 is a wasteful number, since it uses less digits than its factorization.

78800628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92567 (or 92565 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 78800628 is about 8876.9717809622. The cubic root of 78800628 is about 428.7227793693.

The spelling of 78800628 in words is "seventy-eight million, eight hundred thousand, six hundred twenty-eight".