88649508213 has 36 divisors (see below), whose sum is σ = 154472179680. Its totient is φ = 50656855032.

The previous prime is 88649508187. The next prime is 88649508223. The reversal of 88649508213 is 31280594688.

88649508213 is a `hidden beast` number, since 8 + 86 + 49 + 508 + 2 + 13 = 666.

It is not a de Polignac number, because 88649508213 - 2⁶ = 88649508149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88649508213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88649508223) 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 35 ways as a sum of consecutive naturals, for example, 3710673 + ... + 3734486.

It is an arithmetic number, because the mean of its divisors is an integer number (4290893880).

Almost surely, 2^88649508213 is an apocalyptic number.

It is an amenable number.

88649508213 is a deficient number, since it is larger than the sum of its proper divisors (65822671467).

88649508213 is an equidigital number, since it uses as much as digits as its factorization.

88649508213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445188 (or 7445169 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 88649508213 in words is "eighty-eight billion, six hundred forty-nine million, five hundred eight thousand, two hundred thirteen".