7844750061 has 16 divisors (see below), whose sum is σ = 10511462016. Its totient is φ = 5203982336.

The previous prime is 7844750033. The next prime is 7844750117. The reversal of 7844750061 is 1600574487.

It is a cyclic number.

It is not a de Polignac number, because 7844750061 - 2⁵ = 7844750029 is a prime.

It is a super-3 number, since 3×7844750061³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7844749995 and 7844750022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7844754061) 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 15 ways as a sum of consecutive naturals, for example, 746701 + ... + 757133.

It is an arithmetic number, because the mean of its divisors is an integer number (656966376).

Almost surely, 2^7844750061 is an apocalyptic number.

It is an amenable number.

7844750061 is a deficient number, since it is larger than the sum of its proper divisors (2666711955).

7844750061 is a wasteful number, since it uses less digits than its factorization.

7844750061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11652.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 7844750061 is about 88570.5936583921. The cubic root of 7844750061 is about 1986.9779015783.

The spelling of 7844750061 in words is "seven billion, eight hundred forty-four million, seven hundred fifty thousand, sixty-one".