6767072587881 has 6 divisors (see below), whose sum is σ = 9774660404730. Its totient is φ = 4511381725248.

The previous prime is 6767072587879. The next prime is 6767072587909. The reversal of 6767072587881 is 1887852707676.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5540939366400 + 1226133221481 = 2353920^2 + 1107309^2 .

It is not a de Polignac number, because 6767072587881 - 2¹ = 6767072587879 is a prime.

It is a super-2 number, since 2×6767072587881² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6767072587811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 375948477096 + ... + 375948477113.

It is an arithmetic number, because the mean of its divisors is an integer number (1629110067455).

Almost surely, 2^{6767072587881} is an apocalyptic number.

It is an amenable number.

6767072587881 is a deficient number, since it is larger than the sum of its proper divisors (3007587816849).

6767072587881 is a wasteful number, since it uses less digits than its factorization.

6767072587881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751896954215 (or 751896954212 counting only the distinct ones).

The product of its (nonzero) digits is 442552320, while the sum is 72.

The spelling of 6767072587881 in words is "six trillion, seven hundred sixty-seven billion, seventy-two million, five hundred eighty-seven thousand, eight hundred eighty-one".