75387399093952 has 56 divisors (see below), whose sum is σ = 167176990127952. Its totient is φ = 33431219097600.

The previous prime is 75387399093947. The next prime is 75387399093983. The reversal of 75387399093952 is 25939099378357.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305878133 + ... + 1305935860.

It is an arithmetic number, because the mean of its divisors is an integer number (2985303395142).

Almost surely, 2^{75387399093952} is an apocalyptic number.

It is an amenable number.

75387399093952 is an abundant number, since it is smaller than the sum of its proper divisors (91789591034000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75387399093952 is a wasteful number, since it uses less digits than its factorization.

75387399093952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611814057 (or 2611814047 counting only the distinct ones).

The product of its (nonzero) digits is 3472081200, while the sum is 79.

The spelling of 75387399093952 in words is "seventy-five trillion, three hundred eighty-seven billion, three hundred ninety-nine million, ninety-three thousand, nine hundred fifty-two".