157538967763 has 4 divisors (see below), whose sum is σ = 157540340880. Its totient is φ = 157537594648.

The previous prime is 157538967739. The next prime is 157538967793. The reversal of 157538967763 is 367769835751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157538967763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157538967793) 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, 497020 + ... + 749737.

It is an arithmetic number, because the mean of its divisors is an integer number (39385085220).

Almost surely, 2^157538967763 is an apocalyptic number.

157538967763 is a deficient number, since it is larger than the sum of its proper divisors (1373117).

157538967763 is a wasteful number, since it uses less digits than its factorization.

157538967763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373116.

The product of its digits is 200037600, while the sum is 67.

The spelling of 157538967763 in words is "one hundred fifty-seven billion, five hundred thirty-eight million, nine hundred sixty-seven thousand, seven hundred sixty-three".