157234173776563 has 8 divisors (see below), whose sum is σ = 170565089129568. Its totient is φ = 144079826839104.

The previous prime is 157234173776557. The next prime is 157234173776657. The reversal of 157234173776563 is 365677371432751.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-157234173776563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157234173776503) 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, 44142102031 + ... + 44142105592.

It is an arithmetic number, because the mean of its divisors is an integer number (21320636141196).

Almost surely, 2^{157234173776563} is an apocalyptic number.

157234173776563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157234173776563 is a deficient number, since it is larger than the sum of its proper divisors (13330915353005).

157234173776563 is a wasteful number, since it uses less digits than its factorization.

157234173776563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88284207773.

The product of its digits is 466754400, while the sum is 67.

The spelling of 157234173776563 in words is "one hundred fifty-seven trillion, two hundred thirty-four billion, one hundred seventy-three million, seven hundred seventy-six thousand, five hundred sixty-three".