78891060 has 24 divisors (see below), whose sum is σ = 220895136. Its totient is φ = 21037600.

The previous prime is 78891053. The next prime is 78891077. The reversal of 78891060 is 6019887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657366 + ... + 657485.

It is an arithmetic number, because the mean of its divisors is an integer number (9203964).

Almost surely, 2^78891060 is an apocalyptic number.

It is an amenable number.

78891060 is an abundant number, since it is smaller than the sum of its proper divisors (142004076).

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

78891060 is a wasteful number, since it uses less digits than its factorization.

78891060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314863 (or 1314861 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 78891060 is about 8882.0639493307. The cubic root of 78891060 is about 428.8867181510.

The spelling of 78891060 in words is "seventy-eight million, eight hundred ninety-one thousand, sixty".