2887142157 has 16 divisors (see below), whose sum is σ = 4305960000. Its totient is φ = 1911840912.

The previous prime is 2887142149. The next prime is 2887142171. The reversal of 2887142157 is 7512417882.

It is not a de Polignac number, because 2887142157 - 2³ = 2887142149 is a prime.

It is a super-2 number, since 2×2887142157² = 16671179669453225298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887142177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354807 + ... + 362852.

It is an arithmetic number, because the mean of its divisors is an integer number (269122500).

Almost surely, 2^2887142157 is an apocalyptic number.

2887142157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2887142157 is a deficient number, since it is larger than the sum of its proper divisors (1418817843).

2887142157 is a wasteful number, since it uses less digits than its factorization.

2887142157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717817 (or 717811 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The square root of 2887142157 is about 53732.1333747321. The cubic root of 2887142157 is about 1423.9324569563.

The spelling of 2887142157 in words is "two billion, eight hundred eighty-seven million, one hundred forty-two thousand, one hundred fifty-seven".