2158842377 has 8 divisors (see below), whose sum is σ = 2294967360. Its totient is φ = 2024967600.

The previous prime is 2158842373. The next prime is 2158842397. The reversal of 2158842377 is 7732488512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2158842377 - 2² = 2158842373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158842373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560573 + ... + 564410.

It is an arithmetic number, because the mean of its divisors is an integer number (286870920).

Almost surely, 2^2158842377 is an apocalyptic number.

It is an amenable number.

2158842377 is a deficient number, since it is larger than the sum of its proper divisors (136124983).

2158842377 is a wasteful number, since it uses less digits than its factorization.

2158842377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125103.

The product of its digits is 752640, while the sum is 47.

The square root of 2158842377 is about 46463.3444448417. The cubic root of 2158842377 is about 1292.4298446832.

The spelling of 2158842377 in words is "two billion, one hundred fifty-eight million, eight hundred forty-two thousand, three hundred seventy-seven".