85151751787 has 8 divisors (see below), whose sum is σ = 88195076640. Its totient is φ = 82115564160.

The previous prime is 85151751781. The next prime is 85151751799. The reversal of 85151751787 is 78715715158.

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

It is a cyclic number.

It is not a de Polignac number, because 85151751787 - 2²⁷ = 85017534059 is a prime.

It is a super-3 number, since 3×85151751787³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85151751781) 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, 1760014 + ... + 1807747.

It is an arithmetic number, because the mean of its divisors is an integer number (11024384580).

Almost surely, 2^85151751787 is an apocalyptic number.

85151751787 is a deficient number, since it is larger than the sum of its proper divisors (3043324853).

85151751787 is a wasteful number, since it uses less digits than its factorization.

85151751787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568613.

The product of its digits is 2744000, while the sum is 55.

The spelling of 85151751787 in words is "eighty-five billion, one hundred fifty-one million, seven hundred fifty-one thousand, seven hundred eighty-seven".