84632961547 has 2 divisors, whose sum is σ = 84632961548. Its totient is φ = 84632961546.

The previous prime is 84632961529. The next prime is 84632961557. The reversal of 84632961547 is 74516923648.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84632961547 is a prime.

It is not a weakly prime, because it can be changed into another prime (84632961557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42316480773 + 42316480774.

It is an arithmetic number, because the mean of its divisors is an integer number (42316480774).

Almost surely, 2^84632961547 is an apocalyptic number.

84632961547 is a deficient number, since it is larger than the sum of its proper divisors (1).

84632961547 is an equidigital number, since it uses as much as digits as its factorization.

84632961547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The spelling of 84632961547 in words is "eighty-four billion, six hundred thirty-two million, nine hundred sixty-one thousand, five hundred forty-seven".