93158637961 has 3 divisors (see below), whose sum is σ = 93158943181. Its totient is φ = 93158332742.

The previous prime is 93158637959. The next prime is 93158637973. The reversal of 93158637961 is 16973685139.

It is a happy number.

The square root of 93158637961 is 305219.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 93158637961 - 2¹ = 93158637959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93158637896 and 93158637905.

It is not an unprimeable number, because it can be changed into a prime (93158637931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 152610 + ... + 457828.

Almost surely, 2^93158637961 is an apocalyptic number.

93158637961 is the 305219-th square number.

93158637961 is the 152610-th centered octagonal number.

It is an amenable number.

93158637961 is a deficient number, since it is larger than the sum of its proper divisors (305220).

93158637961 is an frugal number, since it uses more digits than its factorization.

93158637961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610438 (or 305219 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 58.

The spelling of 93158637961 in words is "ninety-three billion, one hundred fifty-eight million, six hundred thirty-seven thousand, nine hundred sixty-one".