75768871 has 2 divisors, whose sum is σ = 75768872. Its totient is φ = 75768870.

The previous prime is 75768839. The next prime is 75768899. The reversal of 75768871 is 17886757.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75768871 - 2⁵ = 75768839 is a prime.

It is a super-2 number, since 2×75768871² = 11481843625229282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75768071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37884435 + 37884436.

It is an arithmetic number, because the mean of its divisors is an integer number (37884436).

Almost surely, 2^75768871 is an apocalyptic number.

75768871 is a deficient number, since it is larger than the sum of its proper divisors (1).

75768871 is an equidigital number, since it uses as much as digits as its factorization.

75768871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 49.

The square root of 75768871 is about 8704.5316358779. The cubic root of 75768871 is about 423.1525269313.

The spelling of 75768871 in words is "seventy-five million, seven hundred sixty-eight thousand, eight hundred seventy-one".