1011487008 has 144 divisors (see below), whose sum is σ = 3223281600. Its totient is φ = 276401664.

The previous prime is 1011486991. The next prime is 1011487067. The reversal of 1011487008 is 8007841101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103518 + ... + 112866.

It is an arithmetic number, because the mean of its divisors is an integer number (22383900).

Almost surely, 2^1011487008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011487008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611640800).

1011487008 is an abundant number, since it is smaller than the sum of its proper divisors (2211794592).

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

1011487008 is a wasteful number, since it uses less digits than its factorization.

1011487008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399 (or 9384 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 1011487008 is about 31803.8835364488. The cubic root of 1011487008 is about 1003.8144342581.

The spelling of 1011487008 in words is "one billion, eleven million, four hundred eighty-seven thousand, eight".