27770012863 has 8 divisors (see below), whose sum is σ = 27925267968. Its totient is φ = 27615189504.

The previous prime is 27770012833. The next prime is 27770012957. The reversal of 27770012863 is 36821007772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27770012863 - 2⁹ = 27770012351 is a prime.

It is a super-2 number, since 2×27770012863² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27770012833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21495 + ... + 236647.

It is an arithmetic number, because the mean of its divisors is an integer number (3490658496).

Almost surely, 2^27770012863 is an apocalyptic number.

27770012863 is a deficient number, since it is larger than the sum of its proper divisors (155255105).

27770012863 is a wasteful number, since it uses less digits than its factorization.

27770012863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215873.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 27770012863 in words is "twenty-seven billion, seven hundred seventy million, twelve thousand, eight hundred sixty-three".