157808463 has 8 divisors (see below), whose sum is σ = 212454528. Its totient is φ = 104184024.

The previous prime is 157808461. The next prime is 157808477. The reversal of 157808463 is 364808751.

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

It is not a de Polignac number, because 157808463 - 2¹ = 157808461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157808461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255045 + ... + 255662.

It is an arithmetic number, because the mean of its divisors is an integer number (26556816).

Almost surely, 2^157808463 is an apocalyptic number.

157808463 is a deficient number, since it is larger than the sum of its proper divisors (54646065).

157808463 is a wasteful number, since it uses less digits than its factorization.

157808463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510813.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 157808463 is about 12562.1838467680. The cubic root of 157808463 is about 540.3934752243.

The spelling of 157808463 in words is "one hundred fifty-seven million, eight hundred eight thousand, four hundred sixty-three".