801857849067 has 12 divisors (see below), whose sum is σ = 1263533580504. Its totient is φ = 485974453920.

The previous prime is 801857848949. The next prime is 801857849069. The reversal of 801857849067 is 760948758108.

801857849067 is a `hidden beast` number, since 8 + 0 + 1 + 85 + 7 + 8 + 490 + 67 = 666.

It is not a de Polignac number, because 801857849067 - 2³² = 797562881771 is a prime.

It is a super-2 number, since 2×801857849067² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 801857848995 and 801857849013.

It is not an unprimeable number, because it can be changed into a prime (801857849069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4049787018 + ... + 4049787215.

It is an arithmetic number, because the mean of its divisors is an integer number (105294465042).

Almost surely, 2^801857849067 is an apocalyptic number.

801857849067 is a deficient number, since it is larger than the sum of its proper divisors (461675731437).

801857849067 is a wasteful number, since it uses less digits than its factorization.

801857849067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099574250 (or 8099574247 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 801857849067 in words is "eight hundred one billion, eight hundred fifty-seven million, eight hundred forty-nine thousand, sixty-seven".