612889078704 has 320 divisors, whose sum is σ = 1906163712000. Its totient is φ = 165908413440.

The previous prime is 612889078673. The next prime is 612889078729. The reversal of 612889078704 is 407870988216.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408864547 + ... + 408866045.

It is an arithmetic number, because the mean of its divisors is an integer number (5956761600).

Almost surely, 2^612889078704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612889078704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953081856000).

612889078704 is an abundant number, since it is smaller than the sum of its proper divisors (1293274633296).

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

612889078704 is a wasteful number, since it uses less digits than its factorization.

612889078704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 612889078704 in words is "six hundred twelve billion, eight hundred eighty-nine million, seventy-eight thousand, seven hundred four".