97886789653 has 4 divisors (see below), whose sum is σ = 97888277088. Its totient is φ = 97885302220.

The previous prime is 97886789639. The next prime is 97886789669. The reversal of 97886789653 is 35698768879.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35698768879 = 557 ⋅64091147.

It is a cyclic number.

It is not a de Polignac number, because 97886789653 - 2²⁹ = 97349918741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97886789653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97886789683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640201 + ... + 778222.

It is an arithmetic number, because the mean of its divisors is an integer number (24472069272).

Almost surely, 2^97886789653 is an apocalyptic number.

It is an amenable number.

97886789653 is a deficient number, since it is larger than the sum of its proper divisors (1487435).

97886789653 is a wasteful number, since it uses less digits than its factorization.

97886789653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487434.

The product of its digits is 1097349120, while the sum is 76.

The spelling of 97886789653 in words is "ninety-seven billion, eight hundred eighty-six million, seven hundred eighty-nine thousand, six hundred fifty-three".