67342770077 has 8 divisors (see below), whose sum is σ = 73466747040. Its totient is φ = 61219110960.

The previous prime is 67342770073. The next prime is 67342770151. The reversal of 67342770077 is 77007724376.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 67342770077 - 2² = 67342770073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67342770071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675278 + ... + 768560.

It is an arithmetic number, because the mean of its divisors is an integer number (9183343380).

Almost surely, 2^67342770077 is an apocalyptic number.

It is an amenable number.

67342770077 is a deficient number, since it is larger than the sum of its proper divisors (6123976963).

67342770077 is a wasteful number, since it uses less digits than its factorization.

67342770077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158923.

The product of its (nonzero) digits is 2420208, while the sum is 50.

The spelling of 67342770077 in words is "sixty-seven billion, three hundred forty-two million, seven hundred seventy thousand, seventy-seven".