86259881553 has 4 divisors (see below), whose sum is σ = 115013175408. Its totient is φ = 57506587700.

The previous prime is 86259881537. The next prime is 86259881581. The reversal of 86259881553 is 35518895268.

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 86259881553 - 2⁴ = 86259881537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86259881593) 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, 14376646923 + ... + 14376646928.

It is an arithmetic number, because the mean of its divisors is an integer number (28753293852).

Almost surely, 2^86259881553 is an apocalyptic number.

It is an amenable number.

86259881553 is a deficient number, since it is larger than the sum of its proper divisors (28753293855).

86259881553 is a wasteful number, since it uses less digits than its factorization.

86259881553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28753293854.

The product of its digits is 20736000, while the sum is 60.

The spelling of 86259881553 in words is "eighty-six billion, two hundred fifty-nine million, eight hundred eighty-one thousand, five hundred fifty-three".