8499077490 has 128 divisors (see below), whose sum is σ = 21382299648. Its totient is φ = 2159619840.

The previous prime is 8499077471. The next prime is 8499077497. The reversal of 8499077490 is 947709948.

It is a self number, because there is not a number n which added to its sum of digits gives 8499077490.

It is not an unprimeable number, because it can be changed into a prime (8499077497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26810812 + ... + 26811128.

It is an arithmetic number, because the mean of its divisors is an integer number (167049216).

Almost surely, 2^8499077490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8499077490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10691149824).

8499077490 is an abundant number, since it is smaller than the sum of its proper divisors (12883222158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8499077490 is a wasteful number, since it uses less digits than its factorization.

8499077490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 8499077490 is about 92190.4414242605. The cubic root of 8499077490 is about 2040.7537175494.

The spelling of 8499077490 in words is "eight billion, four hundred ninety-nine million, seventy-seven thousand, four hundred ninety".