85388450267 has 4 divisors (see below), whose sum is σ = 85390544040. Its totient is φ = 85386356496.

The previous prime is 85388450263. The next prime is 85388450269. The reversal of 85388450267 is 76205488358.

It is a happy number.

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 85388450267 - 2² = 85388450263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85388450263) 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, 984473 + ... + 1067690.

It is an arithmetic number, because the mean of its divisors is an integer number (21347636010).

Almost surely, 2^85388450267 is an apocalyptic number.

85388450267 is a deficient number, since it is larger than the sum of its proper divisors (2093773).

85388450267 is a wasteful number, since it uses less digits than its factorization.

85388450267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093772.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 85388450267 in words is "eighty-five billion, three hundred eighty-eight million, four hundred fifty thousand, two hundred sixty-seven".