6477718785153 has 24 divisors (see below), whose sum is σ = 10849732845504. Its totient is φ = 3365048718240.

The previous prime is 6477718785127. The next prime is 6477718785169. The reversal of 6477718785153 is 3515878177746.

It is not a de Polignac number, because 6477718785153 - 2¹⁶ = 6477718719617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6477718785553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274637126 + ... + 1274642207.

It is an arithmetic number, because the mean of its divisors is an integer number (452072201896).

Almost surely, 2^{6477718785153} is an apocalyptic number.

It is an amenable number.

6477718785153 is a deficient number, since it is larger than the sum of its proper divisors (4372014060351).

6477718785153 is a wasteful number, since it uses less digits than its factorization.

6477718785153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549279365 (or 2549279354 counting only the distinct ones).

The product of its digits is 276595200, while the sum is 69.

The spelling of 6477718785153 in words is "six trillion, four hundred seventy-seven billion, seven hundred eighteen million, seven hundred eighty-five thousand, one hundred fifty-three".