5287508788402 has 4 divisors (see below), whose sum is σ = 7931263182606. Its totient is φ = 2643754394200.

The previous prime is 5287508788399. The next prime is 5287508788403. The reversal of 5287508788402 is 2048878057825.

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

It can be written as a sum of positive squares in only one way, i.e., 4254397139161 + 1033111649241 = 2062619^2 + 1016421^2 .

It is not an unprimeable number, because it can be changed into a prime (5287508788403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321877197099 + ... + 1321877197102.

Almost surely, 2^{5287508788402} is an apocalyptic number.

5287508788402 is a deficient number, since it is larger than the sum of its proper divisors (2643754394204).

5287508788402 is a wasteful number, since it uses less digits than its factorization.

5287508788402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643754394203.

The product of its (nonzero) digits is 80281600, while the sum is 64.

The spelling of 5287508788402 in words is "five trillion, two hundred eighty-seven billion, five hundred eight million, seven hundred eighty-eight thousand, four hundred two".