78934046 has 4 divisors (see below), whose sum is σ = 118401072. Its totient is φ = 39467022.

The previous prime is 78934039. The next prime is 78934067. The reversal of 78934046 is 64043987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64043987 = 7 ⋅9149141.

It is a junction number, because it is equal to n+sod(n) for n = 78933994 and 78934012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19733510 + ... + 19733513.

It is an arithmetic number, because the mean of its divisors is an integer number (29600268).

Almost surely, 2^78934046 is an apocalyptic number.

78934046 is a deficient number, since it is larger than the sum of its proper divisors (39467026).

78934046 is a wasteful number, since it uses less digits than its factorization.

78934046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39467025.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 78934046 is about 8884.4834402457. The cubic root of 78934046 is about 428.9646009808.

The spelling of 78934046 in words is "seventy-eight million, nine hundred thirty-four thousand, forty-six".