67765706701055 has 32 divisors (see below), whose sum is σ = 91618067658240. Its totient is φ = 47684256923520.

The previous prime is 67765706701051. The next prime is 67765706701061. The reversal of 67765706701055 is 55010760756776.

It is not a de Polignac number, because 67765706701055 - 2² = 67765706701051 is a prime.

It is a super-2 number, since 2×67765706701055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67765706701051) 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, 92652779 + ... + 93381308.

It is an arithmetic number, because the mean of its divisors is an integer number (2863064614320).

Almost surely, 2^{67765706701055} is an apocalyptic number.

67765706701055 is a deficient number, since it is larger than the sum of its proper divisors (23852360957185).

67765706701055 is a wasteful number, since it uses less digits than its factorization.

67765706701055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186034319.

The product of its (nonzero) digits is 64827000, while the sum is 62.

The spelling of 67765706701055 in words is "sixty-seven trillion, seven hundred sixty-five billion, seven hundred six million, seven hundred one thousand, fifty-five".