89485077523 has 2 divisors, whose sum is σ = 89485077524. Its totient is φ = 89485077522.

The previous prime is 89485077427. The next prime is 89485077527. The reversal of 89485077523 is 32577058498.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89485077523 is a prime.

It is not a weakly prime, because it can be changed into another prime (89485077527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44742538761 + 44742538762.

It is an arithmetic number, because the mean of its divisors is an integer number (44742538762).

Almost surely, 2^89485077523 is an apocalyptic number.

89485077523 is a deficient number, since it is larger than the sum of its proper divisors (1).

89485077523 is an equidigital number, since it uses as much as digits as its factorization.

89485077523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 89485077523 in words is "eighty-nine billion, four hundred eighty-five million, seventy-seven thousand, five hundred twenty-three".