84768988541 has 2 divisors, whose sum is σ = 84768988542. Its totient is φ = 84768988540.

The previous prime is 84768988537. The next prime is 84768988553. The reversal of 84768988541 is 14588986748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68567517316 + 16201471225 = 261854^2 + 127285^2 .

It is a cyclic number.

It is not a de Polignac number, because 84768988541 - 2² = 84768988537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84768288541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42384494270 + 42384494271.

It is an arithmetic number, because the mean of its divisors is an integer number (42384494271).

Almost surely, 2^84768988541 is an apocalyptic number.

It is an amenable number.

84768988541 is a deficient number, since it is larger than the sum of its proper divisors (1).

84768988541 is an equidigital number, since it uses as much as digits as its factorization.

84768988541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123863040, while the sum is 68.

The spelling of 84768988541 in words is "eighty-four billion, seven hundred sixty-eight million, nine hundred eighty-eight thousand, five hundred forty-one".