977244343 has 2 divisors, whose sum is σ = 977244344. Its totient is φ = 977244342.

The previous prime is 977244329. The next prime is 977244391. The reversal of 977244343 is 343442779.

It is a weak prime.

It is an emirp because it is prime and its reverse (343442779) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977244343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 977244343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977224343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488622171 + 488622172.

It is an arithmetic number, because the mean of its divisors is an integer number (488622172).

Almost surely, 2^977244343 is an apocalyptic number.

977244343 is a deficient number, since it is larger than the sum of its proper divisors (1).

977244343 is an equidigital number, since it uses as much as digits as its factorization.

977244343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 43.

The square root of 977244343 is about 31260.9075843936. The cubic root of 977244343 is about 992.3565068646.

The spelling of 977244343 in words is "nine hundred seventy-seven million, two hundred forty-four thousand, three hundred forty-three".