76894261 has 2 divisors, whose sum is σ = 76894262. Its totient is φ = 76894260.

The previous prime is 76894243. The next prime is 76894297. The reversal of 76894261 is 16249867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38825361 + 38068900 = 6231^2 + 6170^2 .

It is an emirp because it is prime and its reverse (16249867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76894261 - 2⁷ = 76894133 is a prime.

It is a super-2 number, since 2×76894261² = 11825454749472242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76894211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38447130 + 38447131.

It is an arithmetic number, because the mean of its divisors is an integer number (38447131).

Almost surely, 2^76894261 is an apocalyptic number.

It is an amenable number.

76894261 is a deficient number, since it is larger than the sum of its proper divisors (1).

76894261 is an equidigital number, since it uses as much as digits as its factorization.

76894261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 76894261 is about 8768.9372788269. The cubic root of 76894261 is about 425.2372580671.

The spelling of 76894261 in words is "seventy-six million, eight hundred ninety-four thousand, two hundred sixty-one".