75782135994 has 16 divisors (see below), whose sum is σ = 158154023232. Its totient is φ = 24162420128.

The previous prime is 75782135963. The next prime is 75782135999. The reversal of 75782135994 is 49953128757.

It is a happy number.

It is a super-2 number, since 2×75782135994² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75782135999) 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 7 ways as a sum of consecutive naturals, for example, 274572819 + ... + 274573094.

It is an arithmetic number, because the mean of its divisors is an integer number (9884626452).

Almost surely, 2^75782135994 is an apocalyptic number.

75782135994 is an abundant number, since it is smaller than the sum of its proper divisors (82371887238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75782135994 is a wasteful number, since it uses less digits than its factorization.

75782135994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549145941.

The product of its digits is 19051200, while the sum is 60.

The spelling of 75782135994 in words is "seventy-five billion, seven hundred eighty-two million, one hundred thirty-five thousand, nine hundred ninety-four".