973309958477 has 2 divisors, whose sum is σ = 973309958478. Its totient is φ = 973309958476.

The previous prime is 973309958443. The next prime is 973309958497. The reversal of 973309958477 is 774859903379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 924509172196 + 48800786281 = 961514^2 + 220909^2 .

It is a cyclic number.

It is not a de Polignac number, because 973309958477 - 2²⁴ = 973293181261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 973309958477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973309958407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486654979238 + 486654979239.

It is an arithmetic number, because the mean of its divisors is an integer number (486654979239).

Almost surely, 2^973309958477 is an apocalyptic number.

It is an amenable number.

973309958477 is a deficient number, since it is larger than the sum of its proper divisors (1).

973309958477 is an equidigital number, since it uses as much as digits as its factorization.

973309958477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360067680, while the sum is 71.

The spelling of 973309958477 in words is "nine hundred seventy-three billion, three hundred nine million, nine hundred fifty-eight thousand, four hundred seventy-seven".