27858850412 has 6 divisors (see below), whose sum is σ = 48752988228. Its totient is φ = 13929425204.

The previous prime is 27858850361. The next prime is 27858850417. The reversal of 27858850412 is 21405885872.

It is a super-2 number, since 2×27858850412² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27858850417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482356298 + ... + 3482356305.

It is an arithmetic number, because the mean of its divisors is an integer number (8125498038).

Almost surely, 2^27858850412 is an apocalyptic number.

It is an amenable number.

27858850412 is a deficient number, since it is larger than the sum of its proper divisors (20894137816).

27858850412 is a wasteful number, since it uses less digits than its factorization.

27858850412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964712607 (or 6964712605 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 50.

The spelling of 27858850412 in words is "twenty-seven billion, eight hundred fifty-eight million, eight hundred fifty thousand, four hundred twelve".