773680860 has 72 divisors (see below), whose sum is σ = 2349097296. Its totient is φ = 206115840.

The previous prime is 773680849. The next prime is 773680867. The reversal of 773680860 is 68086377.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773680867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361995 + ... + 364125.

Almost surely, 2^773680860 is an apocalyptic number.

It is an amenable number.

773680860 is an abundant number, since it is smaller than the sum of its proper divisors (1575416436).

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

773680860 is a wasteful number, since it uses less digits than its factorization.

773680860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163 (or 4158 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 773680860 is about 27815.1192699222. The cubic root of 773680860 is about 918.0238221280.

The spelling of 773680860 in words is "seven hundred seventy-three million, six hundred eighty thousand, eight hundred sixty".