980023637 has 2 divisors, whose sum is σ = 980023638. Its totient is φ = 980023636.

The previous prime is 980023607. The next prime is 980023643. The reversal of 980023637 is 736320089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 919666276 + 60357361 = 30326^2 + 7769^2 .

It is a cyclic number.

It is not a de Polignac number, because 980023637 - 2⁶ = 980023573 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 980023637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980023607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490011818 + 490011819.

It is an arithmetic number, because the mean of its divisors is an integer number (490011819).

Almost surely, 2^980023637 is an apocalyptic number.

It is an amenable number.

980023637 is a deficient number, since it is larger than the sum of its proper divisors (1).

980023637 is an equidigital number, since it uses as much as digits as its factorization.

980023637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 980023637 is about 31305.3292108548. The cubic root of 980023637 is about 993.2963741510.

The spelling of 980023637 in words is "nine hundred eighty million, twenty-three thousand, six hundred thirty-seven".