861079351 has 8 divisors (see below), whose sum is σ = 941376384. Its totient is φ = 781118520.

The previous prime is 861079309. The next prime is 861079357. The reversal of 861079351 is 153970168.

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 861079351 - 2¹¹ = 861077303 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 (861079357) 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, 78675 + ... + 88948.

It is an arithmetic number, because the mean of its divisors is an integer number (117672048).

Almost surely, 2^861079351 is an apocalyptic number.

861079351 is a deficient number, since it is larger than the sum of its proper divisors (80297033).

861079351 is a wasteful number, since it uses less digits than its factorization.

861079351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168101.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 861079351 is about 29344.1536085129. The cubic root of 861079351 is about 951.3662156219.

The spelling of 861079351 in words is "eight hundred sixty-one million, seventy-nine thousand, three hundred fifty-one".