6774997405 has 8 divisors (see below), whose sum is σ = 8869087584. Its totient is φ = 4927270800.

The previous prime is 6774997373. The next prime is 6774997417. The reversal of 6774997405 is 5047994776.

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

It is not a de Polignac number, because 6774997405 - 2⁵ = 6774997373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6774997405.

It is a congruent 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, 61590831 + ... + 61590940.

It is an arithmetic number, because the mean of its divisors is an integer number (1108635948).

Almost surely, 2^6774997405 is an apocalyptic number.

It is an amenable number.

6774997405 is a deficient number, since it is larger than the sum of its proper divisors (2094090179).

6774997405 is a wasteful number, since it uses less digits than its factorization.

6774997405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123181787.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The square root of 6774997405 is about 82310.3724022677. The cubic root of 6774997405 is about 1892.2116458174.

The spelling of 6774997405 in words is "six billion, seven hundred seventy-four million, nine hundred ninety-seven thousand, four hundred five".