157808070 has 48 divisors (see below), whose sum is σ = 468917280. Its totient is φ = 36070272.

The previous prime is 157808069. The next prime is 157808081. The reversal of 157808070 is 70808751.

157808070 is a `hidden beast` number, since 1 + 578 + 0 + 80 + 7 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124615 + ... + 125874.

It is an arithmetic number, because the mean of its divisors is an integer number (9769110).

Almost surely, 2^157808070 is an apocalyptic number.

157808070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157808070 is an abundant number, since it is smaller than the sum of its proper divisors (311109210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157808070 is a wasteful number, since it uses less digits than its factorization.

157808070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250509 (or 250506 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 157808070 is about 12562.1682045736. The cubic root of 157808070 is about 540.3930266324.

The spelling of 157808070 in words is "one hundred fifty-seven million, eight hundred eight thousand, seventy".