78496774 has 8 divisors (see below), whose sum is σ = 121543488. Its totient is φ = 37982280.

The previous prime is 78496757. The next prime is 78496777. The reversal of 78496774 is 47769487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78496777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632977 + ... + 633100.

It is an arithmetic number, because the mean of its divisors is an integer number (15192936).

Almost surely, 2^78496774 is an apocalyptic number.

78496774 is a deficient number, since it is larger than the sum of its proper divisors (43046714).

78496774 is a wasteful number, since it uses less digits than its factorization.

78496774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266110.

The product of its digits is 2370816, while the sum is 52.

The square root of 78496774 is about 8859.8405177520. The cubic root of 78496774 is about 428.1710201050.

The spelling of 78496774 in words is "seventy-eight million, four hundred ninety-six thousand, seven hundred seventy-four".