74265551087 has 16 divisors (see below), whose sum is σ = 92767997952. Its totient is φ = 57882543840.

The previous prime is 74265551011. The next prime is 74265551147. The reversal of 74265551087 is 78015556247.

It is a cyclic number.

It is not a de Polignac number, because 74265551087 - 2¹⁰ = 74265550063 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74265151087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6084239 + ... + 6096432.

It is an arithmetic number, because the mean of its divisors is an integer number (5797999872).

Almost surely, 2^74265551087 is an apocalyptic number.

74265551087 is a deficient number, since it is larger than the sum of its proper divisors (18502446865).

74265551087 is a wasteful number, since it uses less digits than its factorization.

74265551087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12180758.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 74265551087 in words is "seventy-four billion, two hundred sixty-five million, five hundred fifty-one thousand, eighty-seven".