606309399878 has 48 divisors (see below), whose sum is σ = 1176081266304. Its totient is φ = 232121272320.

The previous prime is 606309399851. The next prime is 606309399881. The reversal of 606309399878 is 878993903606.

It is a super-2 number, since 2×606309399878² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7636475 + ... + 7715462.

It is an arithmetic number, because the mean of its divisors is an integer number (24501693048).

Almost surely, 2^606309399878 is an apocalyptic number.

606309399878 is a deficient number, since it is larger than the sum of its proper divisors (569771866426).

606309399878 is a wasteful number, since it uses less digits than its factorization.

606309399878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15351997 (or 15351990 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 606309399878 in words is "six hundred six billion, three hundred nine million, three hundred ninety-nine thousand, eight hundred seventy-eight".