85005107078007 has 4 divisors (see below), whose sum is σ = 113340142770680. Its totient is φ = 56670071385336.

The previous prime is 85005107077999. The next prime is 85005107078053. The reversal of 85005107078007 is 70087070150058.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85005107078007 - 2³ = 85005107077999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85005107078407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14167517846332 + ... + 14167517846337.

It is an arithmetic number, because the mean of its divisors is an integer number (28335035692670).

Almost surely, 2^{85005107078007} is an apocalyptic number.

85005107078007 is a deficient number, since it is larger than the sum of its proper divisors (28335035692673).

85005107078007 is a wasteful number, since it uses less digits than its factorization.

85005107078007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28335035692672.

The product of its (nonzero) digits is 548800, while the sum is 48.

The spelling of 85005107078007 in words is "eighty-five trillion, five billion, one hundred seven million, seventy-eight thousand, seven".