85713210551 has 4 divisors (see below), whose sum is σ = 87803776704. Its totient is φ = 83622644400.

The previous prime is 85713210523. The next prime is 85713210553. The reversal of 85713210551 is 15501231758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15501231758 = 2 ⋅7750615879.

It is a cyclic number.

It is not a de Polignac number, because 85713210551 - 2⁶ = 85713210487 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 (85713210553) 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, 1045283015 + ... + 1045283096.

It is an arithmetic number, because the mean of its divisors is an integer number (21950944176).

Almost surely, 2^85713210551 is an apocalyptic number.

85713210551 is a deficient number, since it is larger than the sum of its proper divisors (2090566153).

85713210551 is a wasteful number, since it uses less digits than its factorization.

85713210551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090566152.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 85713210551 in words is "eighty-five billion, seven hundred thirteen million, two hundred ten thousand, five hundred fifty-one".