88287644506 has 4 divisors (see below), whose sum is σ = 132431466762. Its totient is φ = 44143822252.

The previous prime is 88287644483. The next prime is 88287644507. The reversal of 88287644506 is 60544678288.

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., 88010122225 + 277522281 = 296665^2 + 16659^2 .

It is not an unprimeable number, because it can be changed into a prime (88287644507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22071911125 + ... + 22071911128.

Almost surely, 2^88287644506 is an apocalyptic number.

88287644506 is a deficient number, since it is larger than the sum of its proper divisors (44143822256).

88287644506 is a wasteful number, since it uses less digits than its factorization.

88287644506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44143822255.

The product of its (nonzero) digits is 20643840, while the sum is 58.

The spelling of 88287644506 in words is "eighty-eight billion, two hundred eighty-seven million, six hundred forty-four thousand, five hundred six".