67775001355 has 4 divisors (see below), whose sum is σ = 81330001632. Its totient is φ = 54220001080.

The previous prime is 67775001331. The next prime is 67775001361. The reversal of 67775001355 is 55310057776.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 67775001355 - 2¹¹ = 67774999307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777500131 + ... + 6777500140.

It is an arithmetic number, because the mean of its divisors is an integer number (20332500408).

Almost surely, 2^67775001355 is an apocalyptic number.

67775001355 is a deficient number, since it is larger than the sum of its proper divisors (13555000277).

67775001355 is a wasteful number, since it uses less digits than its factorization.

67775001355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555000276.

The product of its (nonzero) digits is 771750, while the sum is 46.

The spelling of 67775001355 in words is "sixty-seven billion, seven hundred seventy-five million, one thousand, three hundred fifty-five".