6177778345 has 8 divisors (see below), whose sum is σ = 7414718976. Its totient is φ = 4941299376.

The previous prime is 6177778339. The next prime is 6177778379. The reversal of 6177778345 is 5438777716.

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

It is a cyclic number.

It is not a de Polignac number, because 6177778345 - 2³ = 6177778337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85257 + ... + 140086.

It is an arithmetic number, because the mean of its divisors is an integer number (926839872).

Almost surely, 2^6177778345 is an apocalyptic number.

It is an amenable number.

6177778345 is a deficient number, since it is larger than the sum of its proper divisors (1236940631).

6177778345 is a wasteful number, since it uses less digits than its factorization.

6177778345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230831.

The product of its digits is 6914880, while the sum is 55.

The square root of 6177778345 is about 78598.8444253476. The cubic root of 6177778345 is about 1834.8931273402.

The spelling of 6177778345 in words is "six billion, one hundred seventy-seven million, seven hundred seventy-eight thousand, three hundred forty-five".