812207627 has 16 divisors (see below), whose sum is σ = 1014365184. Its totient is φ = 631800000.

The previous prime is 812207621. The next prime is 812207653. The reversal of 812207627 is 726702218.

It is a cyclic number.

It is not a de Polignac number, because 812207627 - 2¹⁴ = 812191243 is a prime.

It is a super-2 number, since 2×812207627² = 1319362458713942258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (812207621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37502 + ... + 55052.

It is an arithmetic number, because the mean of its divisors is an integer number (63397824).

Almost surely, 2^812207627 is an apocalyptic number.

812207627 is a deficient number, since it is larger than the sum of its proper divisors (202157557).

812207627 is a wasteful number, since it uses less digits than its factorization.

812207627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18170.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 812207627 is about 28499.2566043397. The cubic root of 812207627 is about 933.0158490599.

The spelling of 812207627 in words is "eight hundred twelve million, two hundred seven thousand, six hundred twenty-seven".