870057487 has 8 divisors (see below), whose sum is σ = 954664704. Its totient is φ = 787975968.

The previous prime is 870057437. The next prime is 870057493. The reversal of 870057487 is 784750078.

870057487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 870057487 - 2¹⁹ = 869533199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870057427) 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, 630703 + ... + 632080.

It is an arithmetic number, because the mean of its divisors is an integer number (119333088).

Almost surely, 2^870057487 is an apocalyptic number.

870057487 is a deficient number, since it is larger than the sum of its proper divisors (84607217).

870057487 is a wasteful number, since it uses less digits than its factorization.

870057487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262849.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 870057487 is about 29496.7368873237. The cubic root of 870057487 is about 954.6612970649.

The spelling of 870057487 in words is "eight hundred seventy million, fifty-seven thousand, four hundred eighty-seven".