78730862 has 16 divisors (see below), whose sum is σ = 135094272. Its totient is φ = 33710040.

The previous prime is 78730801. The next prime is 78730867. The reversal of 78730862 is 26803787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78730867) 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, 18683 + ... + 22505.

It is an arithmetic number, because the mean of its divisors is an integer number (8443392).

Almost surely, 2^78730862 is an apocalyptic number.

78730862 is a deficient number, since it is larger than the sum of its proper divisors (56363410).

78730862 is a wasteful number, since it uses less digits than its factorization.

78730862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 78730862 is about 8873.0413049867. The cubic root of 78730862 is about 428.5962190210.

The spelling of 78730862 in words is "seventy-eight million, seven hundred thirty thousand, eight hundred sixty-two".