7772844142061 has 4 divisors (see below), whose sum is σ = 8110793887392. Its totient is φ = 7434894396732.

The previous prime is 7772844142013. The next prime is 7772844142067. The reversal of 7772844142061 is 1602414482777.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7772844142061 - 2¹⁴ = 7772844125677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7772844141994 and 7772844142012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7772844142067) 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 3 ways as a sum of consecutive naturals, for example, 168974872631 + ... + 168974872676.

It is an arithmetic number, because the mean of its divisors is an integer number (2027698471848).

Almost surely, 2^{7772844142061} is an apocalyptic number.

It is an amenable number.

7772844142061 is a deficient number, since it is larger than the sum of its proper divisors (337949745331).

7772844142061 is a wasteful number, since it uses less digits than its factorization.

7772844142061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337949745330.

The product of its (nonzero) digits is 4214784, while the sum is 53.

The spelling of 7772844142061 in words is "seven trillion, seven hundred seventy-two billion, eight hundred forty-four million, one hundred forty-two thousand, sixty-one".