84267666751 has 2 divisors, whose sum is σ = 84267666752. Its totient is φ = 84267666750.

The previous prime is 84267666701. The next prime is 84267666779. The reversal of 84267666751 is 15766676248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84267666751 - 2¹⁷ = 84267535679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84267666701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42133833375 + 42133833376.

It is an arithmetic number, because the mean of its divisors is an integer number (42133833376).

Almost surely, 2^84267666751 is an apocalyptic number.

84267666751 is a deficient number, since it is larger than the sum of its proper divisors (1).

84267666751 is an equidigital number, since it uses as much as digits as its factorization.

84267666751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 58.

The spelling of 84267666751 in words is "eighty-four billion, two hundred sixty-seven million, six hundred sixty-six thousand, seven hundred fifty-one".