75230078953 has 4 divisors (see below), whose sum is σ = 75235030228. Its totient is φ = 75225127680.

The previous prime is 75230078951. The next prime is 75230078993. The reversal of 75230078953 is 35987003257.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40010800729 + 35219278224 = 200027^2 + 187668^2 .

It is a cyclic number.

It is not a de Polignac number, because 75230078953 - 2¹ = 75230078951 is a prime.

It is a super-2 number, since 2×75230078953² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75230078897 and 75230078906.

It is not an unprimeable number, because it can be changed into a prime (75230078951) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2452776 + ... + 2483257.

It is an arithmetic number, because the mean of its divisors is an integer number (18808757557).

Almost surely, 2^75230078953 is an apocalyptic number.

It is an amenable number.

75230078953 is a deficient number, since it is larger than the sum of its proper divisors (4951275).

75230078953 is a wasteful number, since it uses less digits than its factorization.

75230078953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951274.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 75230078953 in words is "seventy-five billion, two hundred thirty million, seventy-eight thousand, nine hundred fifty-three".