2890815087 has 4 divisors (see below), whose sum is σ = 3854420120. Its totient is φ = 1927210056.

The previous prime is 2890815077. The next prime is 2890815119. The reversal of 2890815087 is 7805180982.

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

It is not a de Polignac number, because 2890815087 - 2⁶ = 2890815023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890815017) 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, 481802512 + ... + 481802517.

It is an arithmetic number, because the mean of its divisors is an integer number (963605030).

Almost surely, 2^2890815087 is an apocalyptic number.

2890815087 is a deficient number, since it is larger than the sum of its proper divisors (963605033).

2890815087 is an equidigital number, since it uses as much as digits as its factorization.

2890815087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963605032.

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 2890815087 is about 53766.3006631477. The cubic root of 2890815087 is about 1424.5360282050.

The spelling of 2890815087 in words is "two billion, eight hundred ninety million, eight hundred fifteen thousand, eighty-seven".