75905668903 has 4 divisors (see below), whose sum is σ = 75922099768. Its totient is φ = 75889238040.

The previous prime is 75905668841. The next prime is 75905668907. The reversal of 75905668903 is 30986650957.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75905668903 - 2¹³ = 75905660711 is a prime.

It is a super-2 number, since 2×75905668903² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75905668907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8208501 + ... + 8217742.

It is an arithmetic number, because the mean of its divisors is an integer number (18980524942).

Almost surely, 2^75905668903 is an apocalyptic number.

75905668903 is a deficient number, since it is larger than the sum of its proper divisors (16430865).

75905668903 is a wasteful number, since it uses less digits than its factorization.

75905668903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16430864.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 75905668903 in words is "seventy-five billion, nine hundred five million, six hundred sixty-eight thousand, nine hundred three".