6667777783900 has 36 divisors (see below), whose sum is σ = 14494154307808. Its totient is φ = 2662488714240.

The previous prime is 6667777783879. The next prime is 6667777783937. The reversal of 6667777783900 is 93877777666.

It is a super-3 number, since 3×6667777783900³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57722004 + ... + 57837403.

Almost surely, 2^{6667777783900} is an apocalyptic number.

It is an amenable number.

6667777783900 is an abundant number, since it is smaller than the sum of its proper divisors (7826376523908).

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

6667777783900 is a wasteful number, since it uses less digits than its factorization.

6667777783900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115559998 (or 115559991 counting only the distinct ones).

The product of its (nonzero) digits is 784147392, while the sum is 73.

The spelling of 6667777783900 in words is "six trillion, six hundred sixty-seven billion, seven hundred seventy-seven million, seven hundred eighty-three thousand, nine hundred".