6778004737 has 8 divisors (see below), whose sum is σ = 8201955456. Its totient is φ = 5467970112.

The previous prime is 6778004707. The next prime is 6778004743. The reversal of 6778004737 is 7374008776.

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 6778004737 - 2⁷ = 6778004609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6778004707) 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, 28478893 + ... + 28479130.

It is an arithmetic number, because the mean of its divisors is an integer number (1025244432).

Almost surely, 2^6778004737 is an apocalyptic number.

It is an amenable number.

6778004737 is a deficient number, since it is larger than the sum of its proper divisors (1423950719).

6778004737 is a wasteful number, since it uses less digits than its factorization.

6778004737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56958047.

The product of its (nonzero) digits is 1382976, while the sum is 49.

The square root of 6778004737 is about 82328.6386198630. The cubic root of 6778004737 is about 1892.4915803335.

The spelling of 6778004737 in words is "six billion, seven hundred seventy-eight million, four thousand, seven hundred thirty-seven".