612903087 has 6 divisors (see below), whose sum is σ = 885304472. Its totient is φ = 408602052.

The previous prime is 612903043. The next prime is 612903097. The reversal of 612903087 is 780309216.

612903087 is a `hidden beast` number, since 61 + 290 + 308 + 7 = 666.

It is not a de Polignac number, because 612903087 - 2⁸ = 612902831 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 (612903097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34050163 + ... + 34050180.

Almost surely, 2^612903087 is an apocalyptic number.

612903087 is a deficient number, since it is larger than the sum of its proper divisors (272401385).

612903087 is a wasteful number, since it uses less digits than its factorization.

612903087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68100349 (or 68100346 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 612903087 is about 24756.8795893182. The cubic root of 612903087 is about 849.4358826746.

The spelling of 612903087 in words is "six hundred twelve million, nine hundred three thousand, eighty-seven".