76630187 has 2 divisors, whose sum is σ = 76630188. Its totient is φ = 76630186.

The previous prime is 76630139. The next prime is 76630193. The reversal of 76630187 is 78103667.

It is a strong prime.

It is an emirp because it is prime and its reverse (78103667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76630187 - 2⁶ = 76630123 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 76630187.

It is not a weakly prime, because it can be changed into another prime (76630117) 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, 38315093 + 38315094.

It is an arithmetic number, because the mean of its divisors is an integer number (38315094).

Almost surely, 2^76630187 is an apocalyptic number.

76630187 is a deficient number, since it is larger than the sum of its proper divisors (1).

76630187 is an equidigital number, since it uses as much as digits as its factorization.

76630187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 76630187 is about 8753.8669740864. The cubic root of 76630187 is about 424.7499096111.

The spelling of 76630187 in words is "seventy-six million, six hundred thirty thousand, one hundred eighty-seven".