78118046 has 8 divisors (see below), whose sum is σ = 118337544. Its totient is φ = 38672200.

The previous prime is 78118039. The next prime is 78118049. The reversal of 78118046 is 64081187.

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

It is a super-2 number, since 2×78118046² = 12204858221716232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78117997 and 78118015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78118049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193160 + ... + 193563.

It is an arithmetic number, because the mean of its divisors is an integer number (14792193).

Almost surely, 2^78118046 is an apocalyptic number.

78118046 is a deficient number, since it is larger than the sum of its proper divisors (40219498).

78118046 is a wasteful number, since it uses less digits than its factorization.

78118046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386826.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 78118046 is about 8838.4413784332. The cubic root of 78118046 is about 427.4813023752.

The spelling of 78118046 in words is "seventy-eight million, one hundred eighteen thousand, forty-six".