90946016677 has 2 divisors, whose sum is σ = 90946016678. Its totient is φ = 90946016676.

The previous prime is 90946016669. The next prime is 90946016717. The reversal of 90946016677 is 77661064909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72196465636 + 18749551041 = 268694^2 + 136929^2 .

It is a cyclic number.

It is not a de Polignac number, because 90946016677 - 2³ = 90946016669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90946016627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45473008338 + 45473008339.

It is an arithmetic number, because the mean of its divisors is an integer number (45473008339).

Almost surely, 2^90946016677 is an apocalyptic number.

It is an amenable number.

90946016677 is a deficient number, since it is larger than the sum of its proper divisors (1).

90946016677 is an equidigital number, since it uses as much as digits as its factorization.

90946016677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 90946016677 in words is "ninety billion, nine hundred forty-six million, sixteen thousand, six hundred seventy-seven".