75414831986 has 64 divisors (see below), whose sum is σ = 127934142336. Its totient is φ = 33106752000.

The previous prime is 75414831983. The next prime is 75414831991. The reversal of 75414831986 is 68913841457.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 32131265 + ... + 32133611.

It is an arithmetic number, because the mean of its divisors is an integer number (1998970974).

Almost surely, 2^75414831986 is an apocalyptic number.

75414831986 is a deficient number, since it is larger than the sum of its proper divisors (52519310350).

75414831986 is a wasteful number, since it uses less digits than its factorization.

75414831986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147.

The product of its digits is 5806080, while the sum is 56.

The spelling of 75414831986 in words is "seventy-five billion, four hundred fourteen million, eight hundred thirty-one thousand, nine hundred eighty-six".