1488013857 has 24 divisors (see below), whose sum is σ = 2420391168. Its totient is φ = 872733600.

The previous prime is 1488013841. The next prime is 1488013871. The reversal of 1488013857 is 7583108841.

It is a happy number.

It is not a de Polignac number, because 1488013857 - 2⁴ = 1488013841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1488013837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239358 + ... + 245495.

It is an arithmetic number, because the mean of its divisors is an integer number (100849632).

Almost surely, 2^1488013857 is an apocalyptic number.

It is an amenable number.

1488013857 is a deficient number, since it is larger than the sum of its proper divisors (932377311).

1488013857 is a wasteful number, since it uses less digits than its factorization.

1488013857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484901 (or 484898 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 1488013857 is about 38574.7826565491. The cubic root of 1488013857 is about 1141.6570385487.

The spelling of 1488013857 in words is "one billion, four hundred eighty-eight million, thirteen thousand, eight hundred fifty-seven".