157779560 has 32 divisors (see below), whose sum is σ = 355484160. Its totient is φ = 63026496.

The previous prime is 157779551. The next prime is 157779607. The reversal of 157779560 is 65977751.

It is a nialpdrome in base 15.

It is an unprimeable number.

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, 33257 + ... + 37703.

It is an arithmetic number, because the mean of its divisors is an integer number (11108880).

Almost surely, 2^157779560 is an apocalyptic number.

157779560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157779560 is an abundant number, since it is smaller than the sum of its proper divisors (197704600).

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

157779560 is a wasteful number, since it uses less digits than its factorization.

157779560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5341 counting only the distinct ones).

The product of its (nonzero) digits is 463050, while the sum is 47.

The square root of 157779560 is about 12561.0333969781. The cubic root of 157779560 is about 540.3604817545.

The spelling of 157779560 in words is "one hundred fifty-seven million, seven hundred seventy-nine thousand, five hundred sixty".