75217077772 has 12 divisors (see below), whose sum is σ = 131982783856. Its totient is φ = 37507710960.

The previous prime is 75217077751. The next prime is 75217077787. The reversal of 75217077772 is 27777071257.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25205304 + ... + 25208287.

Almost surely, 2^75217077772 is an apocalyptic number.

It is an amenable number.

75217077772 is a deficient number, since it is larger than the sum of its proper divisors (56765706084).

75217077772 is a wasteful number, since it uses less digits than its factorization.

75217077772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50413968 (or 50413966 counting only the distinct ones).

The product of its (nonzero) digits is 2352980, while the sum is 52.

The spelling of 75217077772 in words is "seventy-five billion, two hundred seventeen million, seventy-seven thousand, seven hundred seventy-two".