1078444834731 has 24 divisors (see below), whose sum is σ = 1716193056240. Its totient is φ = 647131608000.

The previous prime is 1078444834693. The next prime is 1078444834763. The reversal of 1078444834731 is 1374384448701.

It is a happy number.

1078444834731 is a `hidden beast` number, since 10 + 7 + 84 + 4 + 4 + 83 + 473 + 1 = 666.

It is not a de Polignac number, because 1078444834731 - 2⁹ = 1078444834219 is a prime.

It is a super-2 number, since 2×1078444834731² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1078444834931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53917636 + ... + 53937633.

It is an arithmetic number, because the mean of its divisors is an integer number (71508044010).

Almost surely, 2^{1078444834731} is an apocalyptic number.

1078444834731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1078444834731 is a deficient number, since it is larger than the sum of its proper divisors (637748221509).

1078444834731 is a wasteful number, since it uses less digits than its factorization.

1078444834731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107855387 (or 107855384 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 1078444834731 in words is "one trillion, seventy-eight billion, four hundred forty-four million, eight hundred thirty-four thousand, seven hundred thirty-one".