158027152777 has 4 divisors (see below), whose sum is σ = 170183087620. Its totient is φ = 145871217936.

The previous prime is 158027152769. The next prime is 158027152783. The reversal of 158027152777 is 777251720851.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20056507641 + 137970645136 = 141621^2 + 371444^2 .

It is a cyclic number.

It is not a de Polignac number, because 158027152777 - 2³ = 158027152769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158027152757) 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, 6077967402 + ... + 6077967427.

It is an arithmetic number, because the mean of its divisors is an integer number (42545771905).

Almost surely, 2^158027152777 is an apocalyptic number.

It is an amenable number.

158027152777 is a deficient number, since it is larger than the sum of its proper divisors (12155934843).

158027152777 is a wasteful number, since it uses less digits than its factorization.

158027152777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155934842.

The product of its (nonzero) digits is 1920800, while the sum is 52.

The spelling of 158027152777 in words is "one hundred fifty-eight billion, twenty-seven million, one hundred fifty-two thousand, seven hundred seventy-seven".