67397877082 has 8 divisors (see below), whose sum is σ = 101247035796. Its totient is φ = 33648865152.

The previous prime is 67397877061. The next prime is 67397877097. The reversal of 67397877082 is 28077879376.

It can be written as a sum of positive squares in 2 ways, for example, as 57150161721 + 10247715361 = 239061^2 + 101231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25035013 + ... + 25037704.

Almost surely, 2^67397877082 is an apocalyptic number.

67397877082 is a deficient number, since it is larger than the sum of its proper divisors (33849158714).

67397877082 is a wasteful number, since it uses less digits than its factorization.

67397877082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50073392.

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 67397877082 in words is "sixty-seven billion, three hundred ninety-seven million, eight hundred seventy-seven thousand, eighty-two".