86305997553 has 4 divisors (see below), whose sum is σ = 115074663408. Its totient is φ = 57537331700.

The previous prime is 86305997551. The next prime is 86305997611. The reversal of 86305997553 is 35579950368.

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 86305997553 - 2¹ = 86305997551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86305997551) 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, 14384332923 + ... + 14384332928.

It is an arithmetic number, because the mean of its divisors is an integer number (28768665852).

Almost surely, 2^86305997553 is an apocalyptic number.

It is an amenable number.

86305997553 is a deficient number, since it is larger than the sum of its proper divisors (28768665855).

86305997553 is a wasteful number, since it uses less digits than its factorization.

86305997553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28768665854.

The product of its (nonzero) digits is 30618000, while the sum is 60.

The spelling of 86305997553 in words is "eighty-six billion, three hundred five million, nine hundred ninety-seven thousand, five hundred fifty-three".