84012407 has 2 divisors, whose sum is σ = 84012408. Its totient is φ = 84012406.

The previous prime is 84012389. The next prime is 84012413. The reversal of 84012407 is 70421048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84012407 - 2⁶ = 84012343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84012437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42006203 + 42006204.

It is an arithmetic number, because the mean of its divisors is an integer number (42006204).

Almost surely, 2^84012407 is an apocalyptic number.

84012407 is a deficient number, since it is larger than the sum of its proper divisors (1).

84012407 is an equidigital number, since it uses as much as digits as its factorization.

84012407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 84012407 is about 9165.8282222612. The cubic root of 84012407 is about 437.9734751074.

The spelling of 84012407 in words is "eighty-four million, twelve thousand, four hundred seven".