76864523 has 2 divisors, whose sum is σ = 76864524. Its totient is φ = 76864522.

The previous prime is 76864499. The next prime is 76864553. The reversal of 76864523 is 32546867.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76864523 - 2¹⁴ = 76848139 is a prime.

It is not a weakly prime, because it can be changed into another prime (76864553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38432261 + 38432262.

It is an arithmetic number, because the mean of its divisors is an integer number (38432262).

Almost surely, 2^76864523 is an apocalyptic number.

76864523 is a deficient number, since it is larger than the sum of its proper divisors (1).

76864523 is an equidigital number, since it uses as much as digits as its factorization.

76864523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 76864523 is about 8767.2414703828. The cubic root of 76864523 is about 425.1824324058.

The spelling of 76864523 in words is "seventy-six million, eight hundred sixty-four thousand, five hundred twenty-three".