92691629209 has 9 divisors (see below), whose sum is σ = 98470308637. Its totient is φ = 87234309184.

The previous prime is 92691629201. The next prime is 92691629213. The reversal of 92691629209 is 90292619629.

It is a happy number.

The square root of 92691629209 is 304453.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4973775625 + 87717853584 = 70525^2 + 296172^2 .

It is not a de Polignac number, because 92691629209 - 2³ = 92691629201 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 92691629209.

It is not an unprimeable number, because it can be changed into a prime (92691629201) 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, 5166747 + ... + 5184655.

Almost surely, 2^92691629209 is an apocalyptic number.

92691629209 is the 304453-rd square number.

92691629209 is the 152227-th centered octagonal number.

It is an amenable number.

92691629209 is a deficient number, since it is larger than the sum of its proper divisors (5778679428).

92691629209 is an frugal number, since it uses more digits than its factorization.

92691629209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35852 (or 17926 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 92691629209 in words is "ninety-two billion, six hundred ninety-one million, six hundred twenty-nine thousand, two hundred nine".