612998955 has 32 divisors (see below), whose sum is σ = 1127361600. Its totient is φ = 315657216.

The previous prime is 612998951. The next prime is 612998989. The reversal of 612998955 is 559899216.

612998955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612998955 - 2² = 612998951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612998951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74374 + ... + 82203.

It is an arithmetic number, because the mean of its divisors is an integer number (35230050).

Almost surely, 2^612998955 is an apocalyptic number.

612998955 is a deficient number, since it is larger than the sum of its proper divisors (514362645).

612998955 is a wasteful number, since it uses less digits than its factorization.

612998955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156620 (or 156614 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The square root of 612998955 is about 24758.8157026947. The cubic root of 612998955 is about 849.4801688896.

The spelling of 612998955 in words is "six hundred twelve million, nine hundred ninety-eight thousand, nine hundred fifty-five".