6777204672 has 56 divisors (see below), whose sum is σ = 20492980096. Its totient is φ = 1936343808.

The previous prime is 6777204671. The next prime is 6777204689. The reversal of 6777204672 is 2764027776.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-4 number, since 4×6777204672⁴ (a number of 40 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6777204671) 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, 2519938 + ... + 2522625.

Almost surely, 2^6777204672 is an apocalyptic number.

It is an amenable number.

6777204672 is an abundant number, since it is smaller than the sum of its proper divisors (13715775424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6777204672 is a wasteful number, since it uses less digits than its factorization.

6777204672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042585 (or 5042575 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 48.

The square root of 6777204672 is about 82323.7795050737. The cubic root of 6777204672 is about 1892.4171151620.

The spelling of 6777204672 in words is "six billion, seven hundred seventy-seven million, two hundred four thousand, six hundred seventy-two".