85161376415 has 8 divisors (see below), whose sum is σ = 102723153648. Its totient is φ = 67776099840.

The previous prime is 85161376403. The next prime is 85161376459. The reversal of 85161376415 is 51467316158.

It is a happy number.

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

It is not a de Polignac number, because 85161376415 - 2¹⁶ = 85161310879 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 85161376415.

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, 44124101 + ... + 44126030.

It is an arithmetic number, because the mean of its divisors is an integer number (12840394206).

Almost surely, 2^85161376415 is an apocalyptic number.

85161376415 is a deficient number, since it is larger than the sum of its proper divisors (17561777233).

85161376415 is a wasteful number, since it uses less digits than its factorization.

85161376415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88250329.

The product of its digits is 604800, while the sum is 47.

The spelling of 85161376415 in words is "eighty-five billion, one hundred sixty-one million, three hundred seventy-six thousand, four hundred fifteen".