378632277559 has 8 divisors (see below), whose sum is σ = 388383710400. Its totient is φ = 368905440000.

The previous prime is 378632277523. The next prime is 378632277581. The reversal of 378632277559 is 955772236873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378632277559 - 2⁷ = 378632277431 is a prime.

It is a super-2 number, since 2×378632277559² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378632277559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378632277599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6117634 + ... + 6179215.

It is an arithmetic number, because the mean of its divisors is an integer number (48547963800).

Almost surely, 2^378632277559 is an apocalyptic number.

378632277559 is a deficient number, since it is larger than the sum of its proper divisors (9751432841).

378632277559 is a wasteful number, since it uses less digits than its factorization.

378632277559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12297641.

The product of its digits is 133358400, while the sum is 64.

The spelling of 378632277559 in words is "three hundred seventy-eight billion, six hundred thirty-two million, two hundred seventy-seven thousand, five hundred fifty-nine".