74225776851 has 48 divisors (see below), whose sum is σ = 110411357056. Its totient is φ = 48024482688.

The previous prime is 74225776837. The next prime is 74225776861. The reversal of 74225776851 is 15867752247.

74225776851 is a `hidden beast` number, since 7 + 4 + 2 + 2 + 577 + 68 + 5 + 1 = 666.

It is not a de Polignac number, because 74225776851 - 2⁵ = 74225776819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74225776811) 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 47 ways as a sum of consecutive naturals, for example, 50050356 + ... + 50051838.

Almost surely, 2^74225776851 is an apocalyptic number.

74225776851 is a deficient number, since it is larger than the sum of its proper divisors (36185580205).

74225776851 is a wasteful number, since it uses less digits than its factorization.

74225776851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2269 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 74225776851 in words is "seventy-four billion, two hundred twenty-five million, seven hundred seventy-six thousand, eight hundred fifty-one".