83630154357 has 12 divisors (see below), whose sum is σ = 122779425964. Its totient is φ = 54839445120.

The previous prime is 83630154329. The next prime is 83630154403. The reversal of 83630154357 is 75345103638.

83630154357 is a `hidden beast` number, since 8 + 3 + 630 + 1 + 5 + 4 + 3 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5155096401 + 78475057956 = 71799^2 + 280134^2 .

It is not a de Polignac number, because 83630154357 - 2¹⁰ = 83630153333 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 (83630154857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76165348 + ... + 76166445.

Almost surely, 2^83630154357 is an apocalyptic number.

It is an amenable number.

83630154357 is a deficient number, since it is larger than the sum of its proper divisors (39149271607).

83630154357 is a wasteful number, since it uses less digits than its factorization.

83630154357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152331860 (or 152331857 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 83630154357 in words is "eighty-three billion, six hundred thirty million, one hundred fifty-four thousand, three hundred fifty-seven".