89680654751 has 2 divisors, whose sum is σ = 89680654752. Its totient is φ = 89680654750.

The previous prime is 89680654741. The next prime is 89680654837. The reversal of 89680654751 is 15745608698.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89680654751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89680654741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44840327375 + 44840327376.

It is an arithmetic number, because the mean of its divisors is an integer number (44840327376).

Almost surely, 2^89680654751 is an apocalyptic number.

89680654751 is a deficient number, since it is larger than the sum of its proper divisors (1).

89680654751 is an equidigital number, since it uses as much as digits as its factorization.

89680654751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 89680654751 in words is "eighty-nine billion, six hundred eighty million, six hundred fifty-four thousand, seven hundred fifty-one".