89557649461 has 16 divisors (see below), whose sum is σ = 105893648640. Its totient is φ = 74107797120.

The previous prime is 89557649431. The next prime is 89557649471. The reversal of 89557649461 is 16494675598.

It is not a de Polignac number, because 89557649461 - 2³¹ = 87410165813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89557649393 and 89557649402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89557649411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2088145 + ... + 2130601.

It is an arithmetic number, because the mean of its divisors is an integer number (6618353040).

Almost surely, 2^89557649461 is an apocalyptic number.

It is an amenable number.

89557649461 is a deficient number, since it is larger than the sum of its proper divisors (16335999179).

89557649461 is a wasteful number, since it uses less digits than its factorization.

89557649461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52884.

The product of its digits is 65318400, while the sum is 64.

The spelling of 89557649461 in words is "eighty-nine billion, five hundred fifty-seven million, six hundred forty-nine thousand, four hundred sixty-one".