8507373690 has 64 divisors (see below), whose sum is σ = 21529411200. Its totient is φ = 2145521664.

The previous prime is 8507373689. The next prime is 8507373691. The reversal of 8507373690 is 963737058.

It is an interprime number because it is at equal distance from previous prime (8507373689) and next prime (8507373691).

It is a super-2 number, since 2×8507373690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8507373691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325426 + ... + 350594.

It is an arithmetic number, because the mean of its divisors is an integer number (336397050).

Almost surely, 2^8507373690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8507373690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10764705600).

8507373690 is an abundant number, since it is smaller than the sum of its proper divisors (13022037510).

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

8507373690 is a wasteful number, since it uses less digits than its factorization.

8507373690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25791.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 8507373690 is about 92235.4253527353. The cubic root of 8507373690 is about 2041.4175148932.

The spelling of 8507373690 in words is "eight billion, five hundred seven million, three hundred seventy-three thousand, six hundred ninety".