6777054121 has 8 divisors (see below), whose sum is σ = 7443904320. Its totient is φ = 6141220272.

The previous prime is 6777054113. The next prime is 6777054133. The reversal of 6777054121 is 1214507776.

It is a happy number.

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 6777054121 - 2³ = 6777054113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6777054101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7753630 + ... + 7754503.

It is an arithmetic number, because the mean of its divisors is an integer number (930488040).

Almost surely, 2^6777054121 is an apocalyptic number.

It is an amenable number.

6777054121 is a deficient number, since it is larger than the sum of its proper divisors (666850199).

6777054121 is a wasteful number, since it uses less digits than its factorization.

6777054121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15508175.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 6777054121 is about 82322.8651165641. The cubic root of 6777054121 is about 1892.4031021379.

The spelling of 6777054121 in words is "six billion, seven hundred seventy-seven million, fifty-four thousand, one hundred twenty-one".