612635087 has 2 divisors, whose sum is σ = 612635088. Its totient is φ = 612635086.

The previous prime is 612635059. The next prime is 612635099. The reversal of 612635087 is 780536216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612635087 - 2¹⁰ = 612634063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612635087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612635047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306317543 + 306317544.

It is an arithmetic number, because the mean of its divisors is an integer number (306317544).

Almost surely, 2^612635087 is an apocalyptic number.

612635087 is a deficient number, since it is larger than the sum of its proper divisors (1).

612635087 is an equidigital number, since it uses as much as digits as its factorization.

612635087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 612635087 is about 24751.4663606017. The cubic root of 612635087 is about 849.3120555910.

The spelling of 612635087 in words is "six hundred twelve million, six hundred thirty-five thousand, eighty-seven".