74141439887 has 2 divisors, whose sum is σ = 74141439888. Its totient is φ = 74141439886.

The previous prime is 74141439859. The next prime is 74141439917. The reversal of 74141439887 is 78893414147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74141439887 - 2¹⁸ = 74141177743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74141439847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37070719943 + 37070719944.

It is an arithmetic number, because the mean of its divisors is an integer number (37070719944).

Almost surely, 2^74141439887 is an apocalyptic number.

74141439887 is a deficient number, since it is larger than the sum of its proper divisors (1).

74141439887 is an equidigital number, since it uses as much as digits as its factorization.

74141439887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 56.

The spelling of 74141439887 in words is "seventy-four billion, one hundred forty-one million, four hundred thirty-nine thousand, eight hundred eighty-seven".