503678157 has 8 divisors (see below), whose sum is σ = 673123584. Its totient is φ = 335009088.

The previous prime is 503678141. The next prime is 503678207. The reversal of 503678157 is 751876305.

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

It is not a de Polignac number, because 503678157 - 2⁴ = 503678141 is a prime.

It is a super-3 number, since 3×503678157³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503678117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192573 + ... + 195170.

It is an arithmetic number, because the mean of its divisors is an integer number (84140448).

Almost surely, 2^503678157 is an apocalyptic number.

It is an amenable number.

503678157 is a deficient number, since it is larger than the sum of its proper divisors (169445427).

503678157 is a wasteful number, since it uses less digits than its factorization.

503678157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388179.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 503678157 is about 22442.7751626219. The cubic root of 503678157 is about 795.6420097804.

The spelling of 503678157 in words is "five hundred three million, six hundred seventy-eight thousand, one hundred fifty-seven".