6778132971 has 16 divisors (see below), whose sum is σ = 9320640000. Its totient is φ = 4378213728.

The previous prime is 6778132969. The next prime is 6778132987. The reversal of 6778132971 is 1792318776.

It is not a de Polignac number, because 6778132971 - 2¹ = 6778132969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6778136971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101221 + ... + 154278.

It is an arithmetic number, because the mean of its divisors is an integer number (582540000).

Almost surely, 2^6778132971 is an apocalyptic number.

6778132971 is a deficient number, since it is larger than the sum of its proper divisors (2542507029).

6778132971 is a wasteful number, since it uses less digits than its factorization.

6778132971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255778.

The product of its digits is 889056, while the sum is 51.

The square root of 6778132971 is about 82329.4174095748. The cubic root of 6778132971 is about 1892.5035150274.

The spelling of 6778132971 in words is "six billion, seven hundred seventy-eight million, one hundred thirty-two thousand, nine hundred seventy-one".