612220086 has 16 divisors (see below), whose sum is σ = 1360489200. Its totient is φ = 204073344.

The previous prime is 612220061. The next prime is 612220127. The reversal of 612220086 is 680022216.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5668651 + ... + 5668758.

It is an arithmetic number, because the mean of its divisors is an integer number (85030575).

Almost surely, 2^612220086 is an apocalyptic number.

612220086 is an abundant number, since it is smaller than the sum of its proper divisors (748269114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612220086 is a wasteful number, since it uses less digits than its factorization.

612220086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11337420 (or 11337414 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 612220086 is about 24743.0815784938. The cubic root of 612220086 is about 849.1202366888.

The spelling of 612220086 in words is "six hundred twelve million, two hundred twenty thousand, eighty-six".