78416794 has 8 divisors (see below), whose sum is σ = 121419648. Its totient is φ = 37943580.

The previous prime is 78416791. The next prime is 78416797. The reversal of 78416794 is 49761487.

It is an interprime number because it is at equal distance from previous prime (78416791) and next prime (78416797).

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

It is a super-2 number, since 2×78416794² = 12298387162476872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78416791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632332 + ... + 632455.

It is an arithmetic number, because the mean of its divisors is an integer number (15177456).

Almost surely, 2^78416794 is an apocalyptic number.

78416794 is a deficient number, since it is larger than the sum of its proper divisors (43002854).

78416794 is a wasteful number, since it uses less digits than its factorization.

78416794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264820.

The product of its digits is 338688, while the sum is 46.

The square root of 78416794 is about 8855.3257421735. The cubic root of 78416794 is about 428.0255501968.

It can be divided in two parts, 784 and 16794, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 78416794 in words is "seventy-eight million, four hundred sixteen thousand, seven hundred ninety-four".