634877113 has 8 divisors (see below), whose sum is σ = 684923400. Its totient is φ = 585003648.

The previous prime is 634877107. The next prime is 634877129. The reversal of 634877113 is 311778436.

It can be written as a sum of positive squares in 4 ways, for example, as 55175184 + 579701929 = 7428^2 + 24077^2 .

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 634877113 - 2¹³ = 634868921 is a prime.

It is a super-2 number, since 2×634877113² = 806137897222429538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634877183) 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, 35518 + ... + 50311.

It is an arithmetic number, because the mean of its divisors is an integer number (85615425).

Almost surely, 2^634877113 is an apocalyptic number.

It is an amenable number.

634877113 is a deficient number, since it is larger than the sum of its proper divisors (50046287).

634877113 is a wasteful number, since it uses less digits than its factorization.

634877113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86411.

The product of its digits is 84672, while the sum is 40.

The square root of 634877113 is about 25196.7679078091. The cubic root of 634877113 is about 859.4683540291.

The spelling of 634877113 in words is "six hundred thirty-four million, eight hundred seventy-seven thousand, one hundred thirteen".