78495946 has 8 divisors (see below), whose sum is σ = 117843264. Its totient is φ = 39214860.

The previous prime is 78495943. The next prime is 78495961. The reversal of 78495946 is 64959487.

It is a happy number.

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

It is a super-2 number, since 2×78495946² = 12323227076869832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78495893 and 78495902.

It is not an unprimeable number, because it can be changed into a prime (78495943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13480 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (14730408).

Almost surely, 2^78495946 is an apocalyptic number.

78495946 is a deficient number, since it is larger than the sum of its proper divisors (39347318).

78495946 is a wasteful number, since it uses less digits than its factorization.

78495946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33116.

The product of its digits is 2177280, while the sum is 52.

The square root of 78495946 is about 8859.7937899254. The cubic root of 78495946 is about 428.1695146212.

The spelling of 78495946 in words is "seventy-eight million, four hundred ninety-five thousand, nine hundred forty-six".