88685477653 has 2 divisors, whose sum is σ = 88685477654. Its totient is φ = 88685477652.

The previous prime is 88685477627. The next prime is 88685477723. The reversal of 88685477653 is 35677458688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86611312804 + 2074164849 = 294298^2 + 45543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88685477653 is a prime.

It is a super-2 number, since 2×88685477653² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88685477603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44342738826 + 44342738827.

It is an arithmetic number, because the mean of its divisors is an integer number (44342738827).

Almost surely, 2^88685477653 is an apocalyptic number.

It is an amenable number.

88685477653 is a deficient number, since it is larger than the sum of its proper divisors (1).

88685477653 is an equidigital number, since it uses as much as digits as its factorization.

88685477653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270950400, while the sum is 67.

The spelling of 88685477653 in words is "eighty-eight billion, six hundred eighty-five million, four hundred seventy-seven thousand, six hundred fifty-three".