86942404793 has 4 divisors (see below), whose sum is σ = 89746998528. Its totient is φ = 84137811060.

The previous prime is 86942404781. The next prime is 86942404837. The reversal of 86942404793 is 39740424968.

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 86942404793 - 2⁶ = 86942404729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86942404723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402296821 + ... + 1402296882.

It is an arithmetic number, because the mean of its divisors is an integer number (22436749632).

Almost surely, 2^86942404793 is an apocalyptic number.

It is an amenable number.

86942404793 is a deficient number, since it is larger than the sum of its proper divisors (2804593735).

86942404793 is a wasteful number, since it uses less digits than its factorization.

86942404793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804593734.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 86942404793 in words is "eighty-six billion, nine hundred forty-two million, four hundred four thousand, seven hundred ninety-three".