76628047 has 2 divisors, whose sum is σ = 76628048. Its totient is φ = 76628046.

The previous prime is 76628033. The next prime is 76628051. The reversal of 76628047 is 74082667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76628047 - 2¹¹ = 76625999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76628077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38314023 + 38314024.

It is an arithmetic number, because the mean of its divisors is an integer number (38314024).

Almost surely, 2^76628047 is an apocalyptic number.

76628047 is a deficient number, since it is larger than the sum of its proper divisors (1).

76628047 is an equidigital number, since it uses as much as digits as its factorization.

76628047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 76628047 is about 8753.7447415378. The cubic root of 76628047 is about 424.7459556720.

The spelling of 76628047 in words is "seventy-six million, six hundred twenty-eight thousand, forty-seven".