75963521147 has 8 divisors (see below), whose sum is σ = 79289072640. Its totient is φ = 72639868840.

The previous prime is 75963521141. The next prime is 75963521149. The reversal of 75963521147 is 74112536957.

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 75963521147 - 2⁸ = 75963520891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75963521095 and 75963521104.

It is not an unprimeable number, because it can be changed into a prime (75963521141) 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, 392747 + ... + 553332.

It is an arithmetic number, because the mean of its divisors is an integer number (9911134080).

Almost surely, 2^75963521147 is an apocalyptic number.

75963521147 is a deficient number, since it is larger than the sum of its proper divisors (3325551493).

75963521147 is a wasteful number, since it uses less digits than its factorization.

75963521147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949593.

The product of its digits is 1587600, while the sum is 50.

The spelling of 75963521147 in words is "seventy-five billion, nine hundred sixty-three million, five hundred twenty-one thousand, one hundred forty-seven".