78850006 has 4 divisors (see below), whose sum is σ = 118275012. Its totient is φ = 39425002.

The previous prime is 78849983. The next prime is 78850027. The reversal of 78850006 is 60005887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60005887 = 47 ⋅1276721.

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, 19712500 + ... + 19712503.

It is an arithmetic number, because the mean of its divisors is an integer number (29568753).

Almost surely, 2^78850006 is an apocalyptic number.

78850006 is a deficient number, since it is larger than the sum of its proper divisors (39425006).

78850006 is a wasteful number, since it uses less digits than its factorization.

78850006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39425005.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 78850006 is about 8879.7525866434. The cubic root of 78850006 is about 428.8123093377.

It can be divided in two parts, 78 and 850006, that added together give a square (850084 = 922²).

The spelling of 78850006 in words is "seventy-eight million, eight hundred fifty thousand, six".