159040977 has 4 divisors (see below), whose sum is σ = 212054640. Its totient is φ = 106027316.

The previous prime is 159040951. The next prime is 159040991. The reversal of 159040977 is 779040951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159040977 - 2⁶ = 159040913 is a prime.

It is a super-2 number, since 2×159040977² = 50588064730229058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159040177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26506827 + ... + 26506832.

It is an arithmetic number, because the mean of its divisors is an integer number (53013660).

Almost surely, 2^159040977 is an apocalyptic number.

It is an amenable number.

159040977 is a deficient number, since it is larger than the sum of its proper divisors (53013663).

159040977 is an equidigital number, since it uses as much as digits as its factorization.

159040977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53013662.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 159040977 is about 12611.1449519859. The cubic root of 159040977 is about 541.7966869048.

The spelling of 159040977 in words is "one hundred fifty-nine million, forty thousand, nine hundred seventy-seven".