2758972287 has 16 divisors (see below), whose sum is σ = 3789434880. Its totient is φ = 1784414400.

The previous prime is 2758972259. The next prime is 2758972309. The reversal of 2758972287 is 7822798572.

It is not a de Polignac number, because 2758972287 - 2²⁸ = 2490536831 is a prime.

It is a super-2 number, since 2×2758972287² = 15223856160868020738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2758972247) 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, 40639 + ... + 84672.

It is an arithmetic number, because the mean of its divisors is an integer number (236839680).

Almost surely, 2^2758972287 is an apocalyptic number.

2758972287 is a deficient number, since it is larger than the sum of its proper divisors (1030462593).

2758972287 is a wasteful number, since it uses less digits than its factorization.

2758972287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125534.

The product of its digits is 7902720, while the sum is 57.

The square root of 2758972287 is about 52525.9201442488. The cubic root of 2758972287 is about 1402.5416901000.

The spelling of 2758972287 in words is "two billion, seven hundred fifty-eight million, nine hundred seventy-two thousand, two hundred eighty-seven".