8151428980 has 12 divisors (see below), whose sum is σ = 17118000900. Its totient is φ = 3260571584.

The previous prime is 8151428959. The next prime is 8151428993. The reversal of 8151428980 is 898241518.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4049795044 + 4101633936 = 63638^2 + 64044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8151428980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203785705 + ... + 203785744.

It is an arithmetic number, because the mean of its divisors is an integer number (1426500075).

Almost surely, 2^8151428980 is an apocalyptic number.

It is an amenable number.

8151428980 is an abundant number, since it is smaller than the sum of its proper divisors (8966571920).

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

8151428980 is a wasteful number, since it uses less digits than its factorization.

8151428980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407571458 (or 407571456 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 46.

The square root of 8151428980 is about 90285.2644676860. The cubic root of 8151428980 is about 2012.5402879169.

The spelling of 8151428980 in words is "eight billion, one hundred fifty-one million, four hundred twenty-eight thousand, nine hundred eighty".