75414831985 has 16 divisors (see below), whose sum is σ = 90846593280. Its totient is φ = 60099464320.

The previous prime is 75414831983. The next prime is 75414831991. The reversal of 75414831985 is 58913841457.

It is not a de Polignac number, because 75414831985 - 2¹ = 75414831983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75414831983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6939486 + ... + 6950344.

It is an arithmetic number, because the mean of its divisors is an integer number (5677912080).

Almost surely, 2^75414831985 is an apocalyptic number.

It is an amenable number.

75414831985 is a deficient number, since it is larger than the sum of its proper divisors (15431761295).

75414831985 is a wasteful number, since it uses less digits than its factorization.

75414831985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088.

The product of its digits is 4838400, while the sum is 55.

The spelling of 75414831985 in words is "seventy-five billion, four hundred fourteen million, eight hundred thirty-one thousand, nine hundred eighty-five".