75406077808 has 10 divisors (see below), whose sum is σ = 146099275784. Its totient is φ = 37703038896.

The previous prime is 75406077797. The next prime is 75406077823. The reversal of 75406077808 is 80877060457.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2356439916 + ... + 2356439947.

Almost surely, 2^75406077808 is an apocalyptic number.

It is an amenable number.

75406077808 is a deficient number, since it is larger than the sum of its proper divisors (70693197976).

75406077808 is a wasteful number, since it uses less digits than its factorization.

75406077808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712879871 (or 4712879865 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 75406077808 in words is "seventy-five billion, four hundred six million, seventy-seven thousand, eight hundred eight".