84407963 has 2 divisors, whose sum is σ = 84407964. Its totient is φ = 84407962.

The previous prime is 84407933. The next prime is 84407977. The reversal of 84407963 is 36970448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84407963 - 2⁸ = 84407707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84407963.

It is not a weakly prime, because it can be changed into another prime (84407903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42203981 + 42203982.

It is an arithmetic number, because the mean of its divisors is an integer number (42203982).

Almost surely, 2^84407963 is an apocalyptic number.

84407963 is a deficient number, since it is larger than the sum of its proper divisors (1).

84407963 is an equidigital number, since it uses as much as digits as its factorization.

84407963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 84407963 is about 9187.3806386804. The cubic root of 84407963 is about 438.6597699751.

The spelling of 84407963 in words is "eighty-four million, four hundred seven thousand, nine hundred sixty-three".