870827457 has 8 divisors (see below), whose sum is σ = 1201141440. Its totient is φ = 560532560.

The previous prime is 870827411. The next prime is 870827467. The reversal of 870827457 is 754728078.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 870827457 - 2²⁶ = 803718593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870827407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5004669 + ... + 5004842.

It is an arithmetic number, because the mean of its divisors is an integer number (150142680).

Almost surely, 2^870827457 is an apocalyptic number.

870827457 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

870827457 is a deficient number, since it is larger than the sum of its proper divisors (330313983).

870827457 is a wasteful number, since it uses less digits than its factorization.

870827457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009543.

The product of its (nonzero) digits is 878080, while the sum is 48.

The square root of 870827457 is about 29509.7857837023. The cubic root of 870827457 is about 954.9428278229.

The spelling of 870827457 in words is "eight hundred seventy million, eight hundred twenty-seven thousand, four hundred fifty-seven".