8742766653 has 6 divisors (see below), whose sum is σ = 12628440734. Its totient is φ = 5828511096.

The previous prime is 8742766649. The next prime is 8742766657. The reversal of 8742766653 is 3566672478.

It is an interprime number because it is at equal distance from previous prime (8742766649) and next prime (8742766657).

It can be written as a sum of positive squares in only one way, i.e., 5932388484 + 2810378169 = 77022^2 + 53013^2 .

It is not a de Polignac number, because 8742766653 - 2² = 8742766649 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 8742766653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742766657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 485709250 + ... + 485709267.

Almost surely, 2^8742766653 is an apocalyptic number.

It is an amenable number.

8742766653 is a deficient number, since it is larger than the sum of its proper divisors (3885674081).

8742766653 is a wasteful number, since it uses less digits than its factorization.

8742766653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971418523 (or 971418520 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 8742766653 is about 93502.7628094486. The cubic root of 8742766653 is about 2060.0746707624.

The spelling of 8742766653 in words is "eight billion, seven hundred forty-two million, seven hundred sixty-six thousand, six hundred fifty-three".