863870651470 has 16 divisors (see below), whose sum is σ = 1555116061968. Its totient is φ = 345515174080.

The previous prime is 863870651431. The next prime is 863870651473. The reversal of 863870651470 is 74156078368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863870651473) 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, 4026016 + ... + 4235155.

It is an arithmetic number, because the mean of its divisors is an integer number (97194753873).

Almost surely, 2^863870651470 is an apocalyptic number.

863870651470 is a deficient number, since it is larger than the sum of its proper divisors (691245410498).

863870651470 is a wasteful number, since it uses less digits than its factorization.

863870651470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271635.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 863870651470 in words is "eight hundred sixty-three billion, eight hundred seventy million, six hundred fifty-one thousand, four hundred seventy".