8547940156 has 24 divisors (see below), whose sum is σ = 17839180800. Its totient is φ = 3504124272.

The previous prime is 8547940151. The next prime is 8547940157. The reversal of 8547940156 is 6510497458.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8547940151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6635956 + ... + 6637243.

It is an arithmetic number, because the mean of its divisors is an integer number (743299200).

Almost surely, 2^8547940156 is an apocalyptic number.

It is an amenable number.

8547940156 is an abundant number, since it is smaller than the sum of its proper divisors (9291240644).

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

8547940156 is a wasteful number, since it uses less digits than its factorization.

8547940156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13273233 (or 13273231 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 8547940156 is about 92455.0710128979. The cubic root of 8547940156 is about 2044.6571286083.

The spelling of 8547940156 in words is "eight billion, five hundred forty-seven million, nine hundred forty thousand, one hundred fifty-six".