8990642762 has 8 divisors (see below), whose sum is σ = 13637492100. Its totient is φ = 4444812064.

The previous prime is 8990642743. The next prime is 8990642789. The reversal of 8990642762 is 2672460998.

It is a Cunningham number, because it is equal to 94819²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 8990642761 + 1 = 94819^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25254437 + ... + 25254792.

Almost surely, 2^8990642762 is an apocalyptic number.

8990642762 is a deficient number, since it is larger than the sum of its proper divisors (4646849338).

8990642762 is a wasteful number, since it uses less digits than its factorization.

8990642762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50509320.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 8990642762 is about 94819.0000052732. Note that the first 5 decimals coincide. The cubic root of 8990642762 is about 2079.3626901347.

The spelling of 8990642762 in words is "eight billion, nine hundred ninety million, six hundred forty-two thousand, seven hundred sixty-two".