67753011157 has 4 divisors (see below), whose sum is σ = 72964781260. Its totient is φ = 62541241056.

The previous prime is 67753011133. The next prime is 67753011167. The reversal of 67753011157 is 75111035776.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4912047396 + 62840963761 = 70086^2 + 250681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67753011157 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 (67753011167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2605885032 + ... + 2605885057.

It is an arithmetic number, because the mean of its divisors is an integer number (18241195315).

Almost surely, 2^67753011157 is an apocalyptic number.

It is an amenable number.

67753011157 is a deficient number, since it is larger than the sum of its proper divisors (5211770103).

67753011157 is a wasteful number, since it uses less digits than its factorization.

67753011157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211770102.

The product of its (nonzero) digits is 154350, while the sum is 43.

The spelling of 67753011157 in words is "sixty-seven billion, seven hundred fifty-three million, eleven thousand, one hundred fifty-seven".