76550087 has 2 divisors, whose sum is σ = 76550088. Its totient is φ = 76550086.

The previous prime is 76550017. The next prime is 76550119. The reversal of 76550087 is 78005567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76550087 - 2¹² = 76545991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76550087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76550017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38275043 + 38275044.

It is an arithmetic number, because the mean of its divisors is an integer number (38275044).

Almost surely, 2^76550087 is an apocalyptic number.

76550087 is a deficient number, since it is larger than the sum of its proper divisors (1).

76550087 is an equidigital number, since it uses as much as digits as its factorization.

76550087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 76550087 is about 8749.2906569619. The cubic root of 76550087 is about 424.6018638243.

The spelling of 76550087 in words is "seventy-six million, five hundred fifty thousand, eighty-seven".