84769240090 has 8 divisors (see below), whose sum is σ = 152584632180. Its totient is φ = 33907696032.

The previous prime is 84769240043. The next prime is 84769240099. The reversal of 84769240090 is 9004296748.

It can be written as a sum of positive squares in 2 ways, for example, as 74628951489 + 10140288601 = 273183^2 + 100699^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84769240099) 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, 4238461995 + ... + 4238462014.

Almost surely, 2^84769240090 is an apocalyptic number.

84769240090 is a deficient number, since it is larger than the sum of its proper divisors (67815392090).

84769240090 is a wasteful number, since it uses less digits than its factorization.

84769240090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476924016.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 84769240090 in words is "eighty-four billion, seven hundred sixty-nine million, two hundred forty thousand, ninety".