76905487 has 2 divisors, whose sum is σ = 76905488. Its totient is φ = 76905486.

The previous prime is 76905461. The next prime is 76905509. The reversal of 76905487 is 78450967.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76905487 - 2⁷ = 76905359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76903487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38452743 + 38452744.

It is an arithmetic number, because the mean of its divisors is an integer number (38452744).

Almost surely, 2^76905487 is an apocalyptic number.

76905487 is a deficient number, since it is larger than the sum of its proper divisors (1).

76905487 is an equidigital number, since it uses as much as digits as its factorization.

76905487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 76905487 is about 8769.5773558365. The cubic root of 76905487 is about 425.2579509039.

The spelling of 76905487 in words is "seventy-six million, nine hundred five thousand, four hundred eighty-seven".