850946775386 has 4 divisors (see below), whose sum is σ = 1276420163082. Its totient is φ = 425473387692.

The previous prime is 850946775377. The next prime is 850946775397. The reversal of 850946775386 is 683577649058.

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

It can be written as a sum of positive squares in only one way, i.e., 823764988225 + 27181787161 = 907615^2 + 164869^2 .

It is a super-2 number, since 2×850946775386² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212736693845 + ... + 212736693848.

Almost surely, 2^850946775386 is an apocalyptic number.

850946775386 is a deficient number, since it is larger than the sum of its proper divisors (425473387696).

850946775386 is a wasteful number, since it uses less digits than its factorization.

850946775386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425473387695.

The product of its (nonzero) digits is 304819200, while the sum is 68.

The spelling of 850946775386 in words is "eight hundred fifty billion, nine hundred forty-six million, seven hundred seventy-five thousand, three hundred eighty-six".