7677444394 has 8 divisors (see below), whose sum is σ = 11518416900. Its totient is φ = 3837972096.

The previous prime is 7677444337. The next prime is 7677444421. The reversal of 7677444394 is 4934447767.

It can be written as a sum of positive squares in 2 ways, for example, as 6908103225 + 769341169 = 83115^2 + 27737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362169 + ... + 382780.

Almost surely, 2^7677444394 is an apocalyptic number.

7677444394 is a deficient number, since it is larger than the sum of its proper divisors (3840972506).

7677444394 is a wasteful number, since it uses less digits than its factorization.

7677444394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750104.

The product of its digits is 14224896, while the sum is 55.

The square root of 7677444394 is about 87621.0271224893. The cubic root of 7677444394 is about 1972.7507926033.

The spelling of 7677444394 in words is "seven billion, six hundred seventy-seven million, four hundred forty-four thousand, three hundred ninety-four".