2956865487 has 8 divisors (see below), whose sum is σ = 4113899904. Its totient is φ = 1885537368.

The previous prime is 2956865449. The next prime is 2956865489. The reversal of 2956865487 is 7845686592.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2956865487 - 2²⁴ = 2940088271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2956865487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2956865489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21426493 + ... + 21426630.

It is an arithmetic number, because the mean of its divisors is an integer number (514237488).

Almost surely, 2^2956865487 is an apocalyptic number.

2956865487 is a deficient number, since it is larger than the sum of its proper divisors (1157034417).

2956865487 is a wasteful number, since it uses less digits than its factorization.

2956865487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42853149.

The product of its digits is 29030400, while the sum is 60.

The square root of 2956865487 is about 54377.0676572395. The cubic root of 2956865487 is about 1435.3038707053.

The spelling of 2956865487 in words is "two billion, nine hundred fifty-six million, eight hundred sixty-five thousand, four hundred eighty-seven".