105677391 has 8 divisors (see below), whose sum is σ = 141917440. Its totient is φ = 69944472.

The previous prime is 105677381. The next prime is 105677399. The reversal of 105677391 is 193776501.

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

It is not a de Polignac number, because 105677391 - 2¹⁰ = 105676367 is a prime.

It is a super-2 number, since 2×105677391² = 22335421937133762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105677399) 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, 126295 + ... + 127128.

It is an arithmetic number, because the mean of its divisors is an integer number (17739680).

Almost surely, 2^105677391 is an apocalyptic number.

105677391 is a deficient number, since it is larger than the sum of its proper divisors (36240049).

105677391 is a wasteful number, since it uses less digits than its factorization.

105677391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253565.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 105677391 is about 10279.9509240074. The cubic root of 105677391 is about 472.7817395340.

The spelling of 105677391 in words is "one hundred five million, six hundred seventy-seven thousand, three hundred ninety-one".