761671811 has 2 divisors, whose sum is σ = 761671812. Its totient is φ = 761671810.

The previous prime is 761671793. The next prime is 761671817. The reversal of 761671811 is 118176167.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 761671811 - 2²² = 757477507 is a prime.

It is not a weakly prime, because it can be changed into another prime (761671817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380835905 + 380835906.

It is an arithmetic number, because the mean of its divisors is an integer number (380835906).

Almost surely, 2^761671811 is an apocalyptic number.

761671811 is a deficient number, since it is larger than the sum of its proper divisors (1).

761671811 is an equidigital number, since it uses as much as digits as its factorization.

761671811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 38.

The square root of 761671811 is about 27598.4023269464. The cubic root of 761671811 is about 913.2491870933.

The spelling of 761671811 in words is "seven hundred sixty-one million, six hundred seventy-one thousand, eight hundred eleven".