85097669351 has 4 divisors (see below), whose sum is σ = 87173222304. Its totient is φ = 83022116400.

The previous prime is 85097669309. The next prime is 85097669353. The reversal of 85097669351 is 15396679058.

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

It is a cyclic number.

It is not a de Polignac number, because 85097669351 - 2¹⁸ = 85097407207 is a prime.

It is a super-2 number, since 2×85097669351² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85097669353) 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, 1037776415 + ... + 1037776496.

It is an arithmetic number, because the mean of its divisors is an integer number (21793305576).

Almost surely, 2^85097669351 is an apocalyptic number.

85097669351 is a deficient number, since it is larger than the sum of its proper divisors (2075552953).

85097669351 is a wasteful number, since it uses less digits than its factorization.

85097669351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075552952.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 85097669351 in words is "eighty-five billion, ninety-seven million, six hundred sixty-nine thousand, three hundred fifty-one".