78015085 has 8 divisors (see below), whose sum is σ = 94333536. Its totient is φ = 61935120.

The previous prime is 78015079. The next prime is 78015101. The reversal of 78015085 is 58051087.

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

It is not a de Polignac number, because 78015085 - 2¹³ = 78006893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78015085.

It is a congruent 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, 58899 + ... + 60208.

It is an arithmetic number, because the mean of its divisors is an integer number (11791692).

Almost surely, 2^78015085 is an apocalyptic number.

It is an amenable number.

78015085 is a deficient number, since it is larger than the sum of its proper divisors (16318451).

78015085 is a wasteful number, since it uses less digits than its factorization.

78015085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119243.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 78015085 is about 8832.6148449935. The cubic root of 78015085 is about 427.2934104355.

The spelling of 78015085 in words is "seventy-eight million, fifteen thousand, eighty-five".