312277077904 has 80 divisors (see below), whose sum is σ = 664961654016. Its totient is φ = 140889190400.

The previous prime is 312277077859. The next prime is 312277077907. The reversal of 312277077904 is 409770772213.

It is not an unprimeable number, because it can be changed into a prime (312277077907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14933184 + ... + 14954080.

Almost surely, 2^312277077904 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 312277077904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332480827008).

312277077904 is an abundant number, since it is smaller than the sum of its proper divisors (352684576112).

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

312277077904 is a wasteful number, since it uses less digits than its factorization.

312277077904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21544 (or 21538 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 49.

The spelling of 312277077904 in words is "three hundred twelve billion, two hundred seventy-seven million, seventy-seven thousand, nine hundred four".