308478471077060 has 12 divisors (see below), whose sum is σ = 647804789261868. Its totient is φ = 123391388430816.

The previous prime is 308478471076973. The next prime is 308478471077087. The reversal of 308478471077060 is 60770174874803.

It can be written as a sum of positive squares in 2 ways, for example, as 238228358883904 + 70250112193156 = 15434648^2 + 8381534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 308478471076984 and 308478471077002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7711961776907 + ... + 7711961776946.

It is an arithmetic number, because the mean of its divisors is an integer number (53983732438489).

Almost surely, 2^{308478471077060} is an apocalyptic number.

It is an amenable number.

308478471077060 is an abundant number, since it is smaller than the sum of its proper divisors (339326318184808).

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

308478471077060 is a wasteful number, since it uses less digits than its factorization.

308478471077060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15423923553862 (or 15423923553860 counting only the distinct ones).

The product of its (nonzero) digits is 44255232, while the sum is 62.

The spelling of 308478471077060 in words is "three hundred eight trillion, four hundred seventy-eight billion, four hundred seventy-one million, seventy-seven thousand, sixty".