2987097388655 has 4 divisors (see below), whose sum is σ = 3584516866392. Its totient is φ = 2389677910920.

The previous prime is 2987097388651. The next prime is 2987097388657. The reversal of 2987097388655 is 5568837907892.

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

It is not a de Polignac number, because 2987097388655 - 2² = 2987097388651 is a prime.

It is a super-3 number, since 3×2987097388655³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987097388651) 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, 298709738861 + ... + 298709738870.

It is an arithmetic number, because the mean of its divisors is an integer number (896129216598).

Almost surely, 2^{2987097388655} is an apocalyptic number.

2987097388655 is a deficient number, since it is larger than the sum of its proper divisors (597419477737).

2987097388655 is an equidigital number, since it uses as much as digits as its factorization.

2987097388655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597419477736.

The product of its (nonzero) digits is 1828915200, while the sum is 77.

The spelling of 2987097388655 in words is "two trillion, nine hundred eighty-seven billion, ninety-seven million, three hundred eighty-eight thousand, six hundred fifty-five".