92782987609 has 9 divisors (see below), whose sum is σ = 100473440319. Its totient is φ = 85642179480.

The previous prime is 92782987579. The next prime is 92782987667. The reversal of 92782987609 is 90678928729.

The square root of 92782987609 is 304603.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13725294025 + 79057693584 = 117155^2 + 281172^2 .

It is a de Polignac number, because none of the positive numbers 2^k-92782987609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92782987669) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3948124 + ... + 3971554.

It is an arithmetic number, because the mean of its divisors is an integer number (11163715591).

Almost surely, 2^92782987609 is an apocalyptic number.

92782987609 is the 304603-rd square number.

92782987609 is the 152302-nd centered octagonal number.

It is an amenable number.

92782987609 is a deficient number, since it is larger than the sum of its proper divisors (7690452710).

92782987609 is an frugal number, since it uses more digits than its factorization.

92782987609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46888 (or 23444 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 92782987609 in words is "ninety-two billion, seven hundred eighty-two million, nine hundred eighty-seven thousand, six hundred nine".