74626542012777 has 8 divisors (see below), whose sum is σ = 99665980329216. Its totient is φ = 49669065852432.

The previous prime is 74626542012739. The next prime is 74626542012793. The reversal of 74626542012777 is 77721024562647.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74626542012777 - 2³¹ = 74624394529129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74626542012777.

It is not an unprimeable number, because it can be changed into a prime (74626542014777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20490536898 + ... + 20490540539.

It is an arithmetic number, because the mean of its divisors is an integer number (12458247541152).

Almost surely, 2^{74626542012777} is an apocalyptic number.

It is an amenable number.

74626542012777 is a deficient number, since it is larger than the sum of its proper divisors (25039438316439).

74626542012777 is a wasteful number, since it uses less digits than its factorization.

74626542012777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40981078047.

The product of its (nonzero) digits is 55319040, while the sum is 60.

The spelling of 74626542012777 in words is "seventy-four trillion, six hundred twenty-six billion, five hundred forty-two million, twelve thousand, seven hundred seventy-seven".