75400857947903 has 8 divisors (see below), whose sum is σ = 77448939496272. Its totient is φ = 73353314321856.

The previous prime is 75400857947897. The next prime is 75400857947911. The reversal of 75400857947903 is 30974975800457.

It is a happy number.

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 75400857947903 - 2³⁶ = 75332138471167 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 (75400854947903) 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, 134196425 + ... + 134757122.

It is an arithmetic number, because the mean of its divisors is an integer number (9681117437034).

Almost surely, 2^{75400857947903} is an apocalyptic number.

75400857947903 is a deficient number, since it is larger than the sum of its proper divisors (2048081548369).

75400857947903 is a wasteful number, since it uses less digits than its factorization.

75400857947903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268961161.

The product of its (nonzero) digits is 266716800, while the sum is 68.

The spelling of 75400857947903 in words is "seventy-five trillion, four hundred billion, eight hundred fifty-seven million, nine hundred forty-seven thousand, nine hundred three".