84768751 has 2 divisors, whose sum is σ = 84768752. Its totient is φ = 84768750.

The previous prime is 84768743. The next prime is 84768773. The reversal of 84768751 is 15786748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84768751 - 2³ = 84768743 is a prime.

It is a super-2 number, since 2×84768751² = 14371482292200002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84768721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42384375 + 42384376.

It is an arithmetic number, because the mean of its divisors is an integer number (42384376).

Almost surely, 2^84768751 is an apocalyptic number.

84768751 is a deficient number, since it is larger than the sum of its proper divisors (1).

84768751 is an equidigital number, since it uses as much as digits as its factorization.

84768751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 46.

The square root of 84768751 is about 9206.9946779609. The cubic root of 84768751 is about 439.2838746978.

The spelling of 84768751 in words is "eighty-four million, seven hundred sixty-eight thousand, seven hundred fifty-one".