873961511 has 2 divisors, whose sum is σ = 873961512. Its totient is φ = 873961510.

The previous prime is 873961499. The next prime is 873961537. The reversal of 873961511 is 115169378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 873961511 - 2²² = 869767207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873961811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436980755 + 436980756.

It is an arithmetic number, because the mean of its divisors is an integer number (436980756).

Almost surely, 2^873961511 is an apocalyptic number.

873961511 is a deficient number, since it is larger than the sum of its proper divisors (1).

873961511 is an equidigital number, since it uses as much as digits as its factorization.

873961511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 873961511 is about 29562.8400360994. The cubic root of 873961511 is about 956.0870495916.

The spelling of 873961511 in words is "eight hundred seventy-three million, nine hundred sixty-one thousand, five hundred eleven".