7976948773 has 4 divisors (see below), whose sum is σ = 8005746700. Its totient is φ = 7948150848.

The previous prime is 7976948747. The next prime is 7976948789. The reversal of 7976948773 is 3778496797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4942371204 + 3034577569 = 70302^2 + 55087^2 .

It is a cyclic number.

It is not a de Polignac number, because 7976948773 - 2¹³ = 7976940581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7976948699 and 7976948708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976948173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14398548 + ... + 14399101.

It is an arithmetic number, because the mean of its divisors is an integer number (2001436675).

Almost surely, 2^7976948773 is an apocalyptic number.

It is an amenable number.

7976948773 is a deficient number, since it is larger than the sum of its proper divisors (28797927).

7976948773 is a wasteful number, since it uses less digits than its factorization.

7976948773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28797926.

The product of its digits is 112021056, while the sum is 67.

The square root of 7976948773 is about 89313.7658650670. The cubic root of 7976948773 is about 1998.0772164608.

The spelling of 7976948773 in words is "seven billion, nine hundred seventy-six million, nine hundred forty-eight thousand, seven hundred seventy-three".