157804287825 has 12 divisors (see below), whose sum is σ = 260903089328. Its totient is φ = 84162286800.

The previous prime is 157804287811. The next prime is 157804287847. The reversal of 157804287825 is 528782408751.

It is a happy number.

It is not a de Polignac number, because 157804287825 - 2⁶ = 157804287761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1052028511 + ... + 1052028660.

Almost surely, 2^157804287825 is an apocalyptic number.

157804287825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157804287825 is a deficient number, since it is larger than the sum of its proper divisors (103098801503).

157804287825 is a wasteful number, since it uses less digits than its factorization.

157804287825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104057184 (or 2104057179 counting only the distinct ones).

The product of its (nonzero) digits is 10035200, while the sum is 57.

The spelling of 157804287825 in words is "one hundred fifty-seven billion, eight hundred four million, two hundred eighty-seven thousand, eight hundred twenty-five".