26977731675480 has 128 divisors (see below), whose sum is σ = 89940650443200. Its totient is φ = 7192871525376.

The previous prime is 26977731675409. The next prime is 26977731675487. The reversal of 26977731675480 is 8457613777962.

26977731675480 is a `hidden beast` number, since 2 + 6 + 9 + 7 + 7 + 73 + 1 + 6 + 7 + 548 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 26977731675399 and 26977731675408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26977731675487) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4473852 + ... + 8600628.

It is a 1-persistent number, because it is pandigital, but 2⋅26977731675480 = 53955463350960 is not.

Almost surely, 2^{26977731675480} is an apocalyptic number.

26977731675480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26977731675480 is an abundant number, since it is smaller than the sum of its proper divisors (62962918767720).

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

26977731675480 is a wasteful number, since it uses less digits than its factorization.

26977731675480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132850 (or 4132840 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 72.

The spelling of 26977731675480 in words is "twenty-six trillion, nine hundred seventy-seven billion, seven hundred thirty-one million, six hundred seventy-five thousand, four hundred eighty".