84696691 has 2 divisors, whose sum is σ = 84696692. Its totient is φ = 84696690.

The previous prime is 84696671. The next prime is 84696701. The reversal of 84696691 is 19669648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84696691 - 2²³ = 76308083 is a prime.

It is not a weakly prime, because it can be changed into another prime (84696641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42348345 + 42348346.

It is an arithmetic number, because the mean of its divisors is an integer number (42348346).

Almost surely, 2^84696691 is an apocalyptic number.

84696691 is a deficient number, since it is larger than the sum of its proper divisors (1).

84696691 is an equidigital number, since it uses as much as digits as its factorization.

84696691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 84696691 is about 9203.0805168704. The cubic root of 84696691 is about 439.1593643110.

The spelling of 84696691 in words is "eighty-four million, six hundred ninety-six thousand, six hundred ninety-one".