78655106 has 8 divisors (see below), whose sum is σ = 118642320. Its totient is φ = 39107668.

The previous prime is 78655067. The next prime is 78655121. The reversal of 78655106 is 60155687.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78655106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109496 + ... + 110211.

It is an arithmetic number, because the mean of its divisors is an integer number (14830290).

Almost surely, 2^78655106 is an apocalyptic number.

78655106 is a deficient number, since it is larger than the sum of its proper divisors (39987214).

78655106 is a wasteful number, since it uses less digits than its factorization.

78655106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219888.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 78655106 is about 8868.7713917994. The cubic root of 78655106 is about 428.4587076992.

The spelling of 78655106 in words is "seventy-eight million, six hundred fifty-five thousand, one hundred six".