538677992 has 8 divisors (see below), whose sum is σ = 1010021250. Its totient is φ = 269338992.

The previous prime is 538677991. The next prime is 538678027. The reversal of 538677992 is 299776835.

It can be written as a sum of positive squares in only one way, i.e., 456847876 + 81830116 = 21374^2 + 9046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (538677991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33667367 + ... + 33667382.

Almost surely, 2^538677992 is an apocalyptic number.

It is an amenable number.

538677992 is a deficient number, since it is larger than the sum of its proper divisors (471343258).

538677992 is a wasteful number, since it uses less digits than its factorization.

538677992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67334755 (or 67334751 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 56.

The square root of 538677992 is about 23209.4375631983. The cubic root of 538677992 is about 813.6602082766.

The spelling of 538677992 in words is "five hundred thirty-eight million, six hundred seventy-seven thousand, nine hundred ninety-two".