67077257032 has 8 divisors (see below), whose sum is σ = 125769856950. Its totient is φ = 33538628512.

The previous prime is 67077257021. The next prime is 67077257033. The reversal of 67077257032 is 23075277076.

It can be written as a sum of positive squares in only one way, i.e., 39357004996 + 27720252036 = 198386^2 + 166494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (67077257033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4192328557 + ... + 4192328572.

Almost surely, 2^67077257032 is an apocalyptic number.

It is an amenable number.

67077257032 is a deficient number, since it is larger than the sum of its proper divisors (58692599918).

67077257032 is a wasteful number, since it uses less digits than its factorization.

67077257032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8384657135 (or 8384657131 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 46.

The spelling of 67077257032 in words is "sixty-seven billion, seventy-seven million, two hundred fifty-seven thousand, thirty-two".