67780623901 has 8 divisors (see below), whose sum is σ = 68821113600. Its totient is φ = 66740982528.

The previous prime is 67780623877. The next prime is 67780623913. The reversal of 67780623901 is 10932608776.

It is a happy number.

67780623901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 67780623901 - 2²⁵ = 67747069469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67780629901) 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, 50116 + ... + 371581.

It is an arithmetic number, because the mean of its divisors is an integer number (8602639200).

Almost surely, 2^67780623901 is an apocalyptic number.

It is an amenable number.

67780623901 is a deficient number, since it is larger than the sum of its proper divisors (1040489699).

67780623901 is a wasteful number, since it uses less digits than its factorization.

67780623901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424163.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 67780623901 in words is "sixty-seven billion, seven hundred eighty million, six hundred twenty-three thousand, nine hundred one".