8132787870 has 16 divisors (see below), whose sum is σ = 19518690960. Its totient is φ = 2168743424.

The previous prime is 8132787853. The next prime is 8132787941. The reversal of 8132787870 is 787872318.

It is a super-2 number, since 2×8132787870² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135546435 + ... + 135546494.

It is an arithmetic number, because the mean of its divisors is an integer number (1219918185).

Almost surely, 2^8132787870 is an apocalyptic number.

8132787870 is an abundant number, since it is smaller than the sum of its proper divisors (11385903090).

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

8132787870 is a wasteful number, since it uses less digits than its factorization.

8132787870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271092939.

The product of its (nonzero) digits is 1053696, while the sum is 51.

The square root of 8132787870 is about 90181.9708700137. The cubic root of 8132787870 is about 2011.0049898647.

The spelling of 8132787870 in words is "eight billion, one hundred thirty-two million, seven hundred eighty-seven thousand, eight hundred seventy".