85290595617 has 8 divisors (see below), whose sum is σ = 113737372480. Its totient is φ = 56852107920.

The previous prime is 85290595597. The next prime is 85290595631. The reversal of 85290595617 is 71659509258.

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 85290595617 - 2¹² = 85290591521 is a prime.

It is a super-2 number, since 2×85290595617² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85290595657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048242 + ... + 2089467.

It is an arithmetic number, because the mean of its divisors is an integer number (14217171560).

Almost surely, 2^85290595617 is an apocalyptic number.

It is an amenable number.

85290595617 is a deficient number, since it is larger than the sum of its proper divisors (28446776863).

85290595617 is a wasteful number, since it uses less digits than its factorization.

85290595617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144583.

The product of its (nonzero) digits is 6804000, while the sum is 57.

The spelling of 85290595617 in words is "eighty-five billion, two hundred ninety million, five hundred ninety-five thousand, six hundred seventeen".