83648669025 has 12 divisors (see below), whose sum is σ = 138299132912. Its totient is φ = 44612623440.

The previous prime is 83648669023. The next prime is 83648669047. The reversal of 83648669025 is 52096684638.

It is not a de Polignac number, because 83648669025 - 2¹ = 83648669023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83648669021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557657719 + ... + 557657868.

Almost surely, 2^83648669025 is an apocalyptic number.

It is an amenable number.

83648669025 is a deficient number, since it is larger than the sum of its proper divisors (54650463887).

83648669025 is a wasteful number, since it uses less digits than its factorization.

83648669025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115315600 (or 1115315595 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 83648669025 in words is "eighty-three billion, six hundred forty-eight million, six hundred sixty-nine thousand, twenty-five".