6702778772 has 48 divisors (see below), whose sum is σ = 12501941760. Its totient is φ = 3137342208.

The previous prime is 6702778763. The next prime is 6702778781. The reversal of 6702778772 is 2778772076.

It is an interprime number because it is at equal distance from previous prime (6702778763) and next prime (6702778781).

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256104 + ... + 2259072.

It is an arithmetic number, because the mean of its divisors is an integer number (260457120).

Almost surely, 2^6702778772 is an apocalyptic number.

It is an amenable number.

6702778772 is a deficient number, since it is larger than the sum of its proper divisors (5799162988).

6702778772 is a wasteful number, since it uses less digits than its factorization.

6702778772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 3226944, while the sum is 53.

The square root of 6702778772 is about 81870.5000106876. The cubic root of 6702778772 is about 1885.4642194297.

The spelling of 6702778772 in words is "six billion, seven hundred two million, seven hundred seventy-eight thousand, seven hundred seventy-two".