7834440444387 has 32 divisors (see below), whose sum is σ = 10713381719040. Its totient is φ = 5090181888000.

The previous prime is 7834440444379. The next prime is 7834440444403.

7834440444387 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7834440444387 - 2³ = 7834440444379 is a prime.

It is a super-2 number, since 2×7834440444387² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7834440444387.

It is not an unprimeable number, because it can be changed into a prime (7834440444367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151766193 + ... + 151817805.

It is an arithmetic number, because the mean of its divisors is an integer number (334793178720).

Almost surely, 2^{7834440444387} is an apocalyptic number.

7834440444387 is a deficient number, since it is larger than the sum of its proper divisors (2878941274653).

7834440444387 is a wasteful number, since it uses less digits than its factorization.

7834440444387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56203.

The product of its (nonzero) digits is 115605504, while the sum is 60.

The spelling of 7834440444387 in words is "seven trillion, eight hundred thirty-four billion, four hundred forty million, four hundred forty-four thousand, three hundred eighty-seven".