8154887480 has 32 divisors (see below), whose sum is σ = 18649297440. Its totient is φ = 3208479360.

The previous prime is 8154887467. The next prime is 8154887483. The reversal of 8154887480 is 847884518.

It is a super-2 number, since 2×8154887480² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154887483) 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, 1668644 + ... + 1673523.

It is an arithmetic number, because the mean of its divisors is an integer number (582790545).

Almost surely, 2^8154887480 is an apocalyptic number.

It is an amenable number.

8154887480 is an abundant number, since it is smaller than the sum of its proper divisors (10494409960).

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

8154887480 is a wasteful number, since it uses less digits than its factorization.

8154887480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342239 (or 3342235 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 53.

The square root of 8154887480 is about 90304.4156173994. The cubic root of 8154887480 is about 2012.8248755006.

The spelling of 8154887480 in words is "eight billion, one hundred fifty-four million, eight hundred eighty-seven thousand, four hundred eighty".