2987822538 has 32 divisors (see below), whose sum is σ = 6721585920. Its totient is φ = 995939388.

The previous prime is 2987822531. The next prime is 2987822549. The reversal of 2987822538 is 8352287892.

It is a happy number.

2987822538 is a `hidden beast` number, since 2 + 9 + 87 + 8 + 22 + 538 = 666.

It is a super-2 number, since 2×2987822538² = 17854167037161522888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2987822531) 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, 337170 + ... + 345917.

It is an arithmetic number, because the mean of its divisors is an integer number (210049560).

Almost surely, 2^2987822538 is an apocalyptic number.

2987822538 is an abundant number, since it is smaller than the sum of its proper divisors (3733763382).

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

2987822538 is an frugal number, since it uses more digits than its factorization.

2987822538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683110 (or 683092 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 2987822538 is about 54660.9782020044. The cubic root of 2987822538 is about 1440.2954862374.

The spelling of 2987822538 in words is "two billion, nine hundred eighty-seven million, eight hundred twenty-two thousand, five hundred thirty-eight".