76670887 has 2 divisors, whose sum is σ = 76670888. Its totient is φ = 76670886.

The previous prime is 76670879. The next prime is 76670897. The reversal of 76670887 is 78807667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76670887 - 2³ = 76670879 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76670887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76670827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38335443 + 38335444.

It is an arithmetic number, because the mean of its divisors is an integer number (38335444).

Almost surely, 2^76670887 is an apocalyptic number.

76670887 is a deficient number, since it is larger than the sum of its proper divisors (1).

76670887 is an equidigital number, since it uses as much as digits as its factorization.

76670887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 76670887 is about 8756.1913524089. The cubic root of 76670887 is about 424.8250943494.

The spelling of 76670887 in words is "seventy-six million, six hundred seventy thousand, eight hundred eighty-seven".