75387344378357 has 8 divisors (see below), whose sum is σ = 82240916810592. Its totient is φ = 68533801527600.

The previous prime is 75387344378329. The next prime is 75387344378471.

75387344378357 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 75387344378357 - 2¹⁸ = 75387344116213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75387344371357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888463 + ... + 12423404.

It is an arithmetic number, because the mean of its divisors is an integer number (10280114601324).

Almost surely, 2^{75387344378357} is an apocalyptic number.

It is an amenable number.

75387344378357 is a deficient number, since it is larger than the sum of its proper divisors (6853572432235).

75387344378357 is a wasteful number, since it uses less digits than its factorization.

75387344378357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790739.

The product of its digits is 4978713600, while the sum is 74.

The spelling of 75387344378357 in words is "seventy-five trillion, three hundred eighty-seven billion, three hundred forty-four million, three hundred seventy-eight thousand, three hundred fifty-seven".