85756028551 has 8 divisors (see below), whose sum is σ = 86768234784. Its totient is φ = 84749759520.

The previous prime is 85756028543. The next prime is 85756028597. The reversal of 85756028551 is 15582065758.

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 85756028551 - 2³ = 85756028543 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 (85756058551) 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, 1455240 + ... + 1513021.

It is an arithmetic number, because the mean of its divisors is an integer number (10846029348).

Almost surely, 2^85756028551 is an apocalyptic number.

85756028551 is a deficient number, since it is larger than the sum of its proper divisors (1012206233).

85756028551 is a wasteful number, since it uses less digits than its factorization.

85756028551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968601.

The product of its (nonzero) digits is 3360000, while the sum is 52.

The spelling of 85756028551 in words is "eighty-five billion, seven hundred fifty-six million, twenty-eight thousand, five hundred fifty-one".