89779472063 has 2 divisors, whose sum is σ = 89779472064. Its totient is φ = 89779472062.

The previous prime is 89779471993. The next prime is 89779472077. The reversal of 89779472063 is 36027497798.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89779472063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89779471987 and 89779472005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89779442063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44889736031 + 44889736032.

It is an arithmetic number, because the mean of its divisors is an integer number (44889736032).

Almost surely, 2^89779472063 is an apocalyptic number.

89779472063 is a deficient number, since it is larger than the sum of its proper divisors (1).

89779472063 is an equidigital number, since it uses as much as digits as its factorization.

89779472063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 89779472063 in words is "eighty-nine billion, seven hundred seventy-nine million, four hundred seventy-two thousand, sixty-three".