850997386703 has 4 divisors (see below), whose sum is σ = 851023699848. Its totient is φ = 850971073560.

The previous prime is 850997386649. The next prime is 850997386721. The reversal of 850997386703 is 307683799058.

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 850997386703 - 2⁶ = 850997386639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 850997386703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850997386103) 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, 13108001 + ... + 13172762.

It is an arithmetic number, because the mean of its divisors is an integer number (212755924962).

Almost surely, 2^850997386703 is an apocalyptic number.

850997386703 is a deficient number, since it is larger than the sum of its proper divisors (26313145).

850997386703 is a wasteful number, since it uses less digits than its factorization.

850997386703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26313144.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 850997386703 in words is "eight hundred fifty billion, nine hundred ninety-seven million, three hundred eighty-six thousand, seven hundred three".