74874682087 has 2 divisors, whose sum is σ = 74874682088. Its totient is φ = 74874682086.

The previous prime is 74874682073. The next prime is 74874682133. The reversal of 74874682087 is 78028647847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74874682087 - 2¹¹ = 74874680039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74874682007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37437341043 + 37437341044.

It is an arithmetic number, because the mean of its divisors is an integer number (37437341044).

Almost surely, 2^74874682087 is an apocalyptic number.

74874682087 is a deficient number, since it is larger than the sum of its proper divisors (1).

74874682087 is an equidigital number, since it uses as much as digits as its factorization.

74874682087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33718272, while the sum is 61.

The spelling of 74874682087 in words is "seventy-four billion, eight hundred seventy-four million, six hundred eighty-two thousand, eighty-seven".