67477652255 has 32 divisors (see below), whose sum is σ = 90251884800. Its totient is φ = 48088438272.

The previous prime is 67477652251. The next prime is 67477652269. The reversal of 67477652255 is 55225677476.

It is a cyclic number.

It is not a de Polignac number, because 67477652255 - 2² = 67477652251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67477652255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67477652251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4605281 + ... + 4619909.

It is an arithmetic number, because the mean of its divisors is an integer number (2820371400).

Almost surely, 2^67477652255 is an apocalyptic number.

67477652255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

67477652255 is a deficient number, since it is larger than the sum of its proper divisors (22774232545).

67477652255 is a wasteful number, since it uses less digits than its factorization.

67477652255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17123.

The product of its digits is 24696000, while the sum is 56.

The spelling of 67477652255 in words is "sixty-seven billion, four hundred seventy-seven million, six hundred fifty-two thousand, two hundred fifty-five".