78774327 has 12 divisors (see below), whose sum is σ = 114017904. Its totient is φ = 52408800.

The previous prime is 78774313. The next prime is 78774329. The reversal of 78774327 is 72347787.

It is not a de Polignac number, because 78774327 - 2⁸ = 78774071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78774329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4174 + ... + 13227.

It is an arithmetic number, because the mean of its divisors is an integer number (9501492).

Almost surely, 2^78774327 is an apocalyptic number.

78774327 is a deficient number, since it is larger than the sum of its proper divisors (35243577).

78774327 is a wasteful number, since it uses less digits than its factorization.

78774327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17910 (or 17907 counting only the distinct ones).

The product of its digits is 460992, while the sum is 45.

The square root of 78774327 is about 8875.4902399811. The cubic root of 78774327 is about 428.6750763123.

The spelling of 78774327 in words is "seventy-eight million, seven hundred seventy-four thousand, three hundred twenty-seven".