2754547987 has 4 divisors (see below), whose sum is σ = 2754655120. Its totient is φ = 2754440856.

The previous prime is 2754547979. The next prime is 2754548077. The reversal of 2754547987 is 7897454572.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(2754547987) divides (2754547987-1)³.

It is a cyclic number.

It is not a de Polignac number, because 2754547987 - 2³ = 2754547979 is a prime.

It is a super-2 number, since 2×2754547987² = 15175069225371504338, which contains 22 as substring.

It is a deceptive number, since it divides R_2754547986.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2754547937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10714 + ... + 74992.

It is an arithmetic number, because the mean of its divisors is an integer number (688663780).

Almost surely, 2^2754547987 is an apocalyptic number.

2754547987 is the 42853-rd pentagonal number.

2754547987 is a deficient number, since it is larger than the sum of its proper divisors (107133).

2754547987 is an equidigital number, since it uses as much as digits as its factorization.

2754547987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107132.

The product of its digits is 19756800, while the sum is 58.

The square root of 2754547987 is about 52483.7878492016. The cubic root of 2754547987 is about 1401.7915816729.

The spelling of 2754547987 in words is "two billion, seven hundred fifty-four million, five hundred forty-seven thousand, nine hundred eighty-seven".