861597014254 has 8 divisors (see below), whose sum is σ = 1292875438680. Its totient is φ = 430638534696.

The previous prime is 861597014233. The next prime is 861597014309. The reversal of 861597014254 is 452410795168.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79979484 + ... + 79990255.

It is an arithmetic number, because the mean of its divisors is an integer number (161609429835).

Almost surely, 2^861597014254 is an apocalyptic number.

861597014254 is a deficient number, since it is larger than the sum of its proper divisors (431278424426).

861597014254 is a wasteful number, since it uses less digits than its factorization.

861597014254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159972434.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 861597014254 in words is "eight hundred sixty-one billion, five hundred ninety-seven million, fourteen thousand, two hundred fifty-four".