80523787 has 2 divisors, whose sum is σ = 80523788. Its totient is φ = 80523786.

The previous prime is 80523769. The next prime is 80523797. The reversal of 80523787 is 78732508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80523787 - 2²³ = 72135179 is a prime.

It is not a weakly prime, because it can be changed into another prime (80523757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40261893 + 40261894.

It is an arithmetic number, because the mean of its divisors is an integer number (40261894).

Almost surely, 2^80523787 is an apocalyptic number.

80523787 is a deficient number, since it is larger than the sum of its proper divisors (1).

80523787 is an equidigital number, since it uses as much as digits as its factorization.

80523787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 80523787 is about 8973.5047222365. The cubic root of 80523787 is about 431.8252804971.

The spelling of 80523787 in words is "eighty million, five hundred twenty-three thousand, seven hundred eighty-seven".