78052115 has 8 divisors (see below), whose sum is σ = 93915888. Its totient is φ = 62272800.

The previous prime is 78052109. The next prime is 78052127. The reversal of 78052115 is 51125087.

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

It is a de Polignac number, because none of the positive numbers 2^k-78052115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19061 + ... + 22790.

It is an arithmetic number, because the mean of its divisors is an integer number (11739486).

Almost surely, 2^78052115 is an apocalyptic number.

78052115 is a deficient number, since it is larger than the sum of its proper divisors (15863773).

78052115 is a wasteful number, since it uses less digits than its factorization.

78052115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42229.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 78052115 is about 8834.7108045482. The cubic root of 78052115 is about 427.3610049365.

The spelling of 78052115 in words is "seventy-eight million, fifty-two thousand, one hundred fifteen".