1587157472 has 24 divisors (see below), whose sum is σ = 3232467000. Its totient is φ = 766213504.

The previous prime is 1587157471. The next prime is 1587157493. The reversal of 1587157472 is 2747517851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1587157471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854222 + ... + 856077.

It is an arithmetic number, because the mean of its divisors is an integer number (134686125).

Almost surely, 2^1587157472 is an apocalyptic number.

It is an amenable number.

1587157472 is an abundant number, since it is smaller than the sum of its proper divisors (1645309528).

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

1587157472 is a wasteful number, since it uses less digits than its factorization.

1587157472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710338 (or 1710330 counting only the distinct ones).

The product of its digits is 548800, while the sum is 47.

The square root of 1587157472 is about 39839.1449707445. The cubic root of 1587157472 is about 1166.4693702105.

The spelling of 1587157472 in words is "one billion, five hundred eighty-seven million, one hundred fifty-seven thousand, four hundred seventy-two".