10404534977 has 2 divisors, whose sum is σ = 10404534978. Its totient is φ = 10404534976.

The previous prime is 10404534953. The next prime is 10404535019. The reversal of 10404534977 is 77943540401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7397548081 + 3006986896 = 86009^2 + 54836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10404534977 is a prime.

It is not a weakly prime, because it can be changed into another prime (10404530977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202267488 + 5202267489.

It is an arithmetic number, because the mean of its divisors is an integer number (5202267489).

Almost surely, 2^10404534977 is an apocalyptic number.

It is an amenable number.

10404534977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10404534977 is an equidigital number, since it uses as much as digits as its factorization.

10404534977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 10404534977 in words is "ten billion, four hundred four million, five hundred thirty-four thousand, nine hundred seventy-seven".