76415851 has 2 divisors, whose sum is σ = 76415852. Its totient is φ = 76415850.

The previous prime is 76415849. The next prime is 76415861. The reversal of 76415851 is 15851467.

It is a weak prime.

It is an emirp because it is prime and its reverse (15851467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76415851 - 2¹ = 76415849 is a prime.

Together with 76415849, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 76415851.

It is not a weakly prime, because it can be changed into another prime (76415861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38207925 + 38207926.

It is an arithmetic number, because the mean of its divisors is an integer number (38207926).

Almost surely, 2^76415851 is an apocalyptic number.

76415851 is a deficient number, since it is larger than the sum of its proper divisors (1).

76415851 is an equidigital number, since it uses as much as digits as its factorization.

76415851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 37.

The square root of 76415851 is about 8741.6160405271. The cubic root of 76415851 is about 424.3535287950.

The spelling of 76415851 in words is "seventy-six million, four hundred fifteen thousand, eight hundred fifty-one".