80906552290 has 8 divisors (see below), whose sum is σ = 145631794140. Its totient is φ = 32362620912.

The previous prime is 80906552231. The next prime is 80906552297. The reversal of 80906552290 is 9225560908.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75596952601 + 5309599689 = 274949^2 + 72867^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 80906552290.

It is not an unprimeable number, because it can be changed into a prime (80906552297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4045327605 + ... + 4045327624.

Almost surely, 2^80906552290 is an apocalyptic number.

80906552290 is a deficient number, since it is larger than the sum of its proper divisors (64725241850).

80906552290 is a wasteful number, since it uses less digits than its factorization.

80906552290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090655236.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 80906552290 in words is "eighty billion, nine hundred six million, five hundred fifty-two thousand, two hundred ninety".