86274734537 has 4 divisors (see below), whose sum is σ = 86276491776. Its totient is φ = 86272977300.

The previous prime is 86274734527. The next prime is 86274734551. The reversal of 86274734537 is 73543747268.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86274734537 - 2⁶ = 86274734473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86274734527) 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, 802793 + ... + 903894.

It is an arithmetic number, because the mean of its divisors is an integer number (21569122944).

Almost surely, 2^86274734537 is an apocalyptic number.

It is an amenable number.

86274734537 is a deficient number, since it is larger than the sum of its proper divisors (1757239).

86274734537 is a wasteful number, since it uses less digits than its factorization.

86274734537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757238.

The product of its digits is 23708160, while the sum is 56.

The spelling of 86274734537 in words is "eighty-six billion, two hundred seventy-four million, seven hundred thirty-four thousand, five hundred thirty-seven".