85994632463 has 4 divisors (see below), whose sum is σ = 86002526280. Its totient is φ = 85986738648.

The previous prime is 85994632433. The next prime is 85994632517. The reversal of 85994632463 is 36423649958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85994632463 - 2¹⁴ = 85994616079 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 (85994632433) 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, 3930545 + ... + 3952362.

It is an arithmetic number, because the mean of its divisors is an integer number (21500631570).

Almost surely, 2^85994632463 is an apocalyptic number.

85994632463 is a deficient number, since it is larger than the sum of its proper divisors (7893817).

85994632463 is a wasteful number, since it uses less digits than its factorization.

85994632463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893816.

The product of its digits is 33592320, while the sum is 59.

The spelling of 85994632463 in words is "eighty-five billion, nine hundred ninety-four million, six hundred thirty-two thousand, four hundred sixty-three".