78264076564827 has 10 divisors (see below), whose sum is σ = 116913003263628. Its totient is φ = 52176051043164.

The previous prime is 78264076564799. The next prime is 78264076564907. The reversal of 78264076564827 is 72846567046287.

78264076564827 is a `hidden beast` number, since 7 + 8 + 26 + 4 + 0 + 76 + 56 + 482 + 7 = 666.

It is not a de Polignac number, because 78264076564827 - 2¹⁸ = 78264076302683 is a prime.

It is a super-2 number, since 2×78264076564827² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78264076564027) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 483111583653 + ... + 483111583814.

Almost surely, 2^{78264076564827} is an apocalyptic number.

78264076564827 is a deficient number, since it is larger than the sum of its proper divisors (38648926698801).

78264076564827 is an equidigital number, since it uses as much as digits as its factorization.

78264076564827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966223167479 (or 966223167470 counting only the distinct ones).

The product of its (nonzero) digits is 1517322240, while the sum is 72.

The spelling of 78264076564827 in words is "seventy-eight trillion, two hundred sixty-four billion, seventy-six million, five hundred sixty-four thousand, eight hundred twenty-seven".