276064395378 has 16 divisors (see below), whose sum is σ = 553570384896. Its totient is φ = 91781199440.

The previous prime is 276064395367. The next prime is 276064395389. The reversal of 276064395378 is 873593460672.

It is an interprime number because it is at equal distance from previous prime (276064395367) and next prime (276064395389).

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, 60063933 + ... + 60068528.

It is an arithmetic number, because the mean of its divisors is an integer number (34598149056).

Almost surely, 2^276064395378 is an apocalyptic number.

276064395378 is an abundant number, since it is smaller than the sum of its proper divisors (277505989518).

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

276064395378 is a wasteful number, since it uses less digits than its factorization.

276064395378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120132849.

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 276064395378 in words is "two hundred seventy-six billion, sixty-four million, three hundred ninety-five thousand, three hundred seventy-eight".