7876961473 has 4 divisors (see below), whose sum is σ = 7877275588. Its totient is φ = 7876647360.

The previous prime is 7876961459. The next prime is 7876961483. The reversal of 7876961473 is 3741696787.

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 6545295409 + 1331666064 = 80903^2 + 36492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7876961473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7876961483) 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, 115836 + ... + 170797.

It is an arithmetic number, because the mean of its divisors is an integer number (1969318897).

Almost surely, 2^7876961473 is an apocalyptic number.

It is an amenable number.

7876961473 is a deficient number, since it is larger than the sum of its proper divisors (314115).

7876961473 is a wasteful number, since it uses less digits than its factorization.

7876961473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314114.

The product of its digits is 10668672, while the sum is 58.

The square root of 7876961473 is about 88752.2477067482. The cubic root of 7876961473 is about 1989.6937714693.

The spelling of 7876961473 in words is "seven billion, eight hundred seventy-six million, nine hundred sixty-one thousand, four hundred seventy-three".