2428880668978 has 8 divisors (see below), whose sum is σ = 3643578106668. Its totient is φ = 1214354633424.

The previous prime is 2428880668967. The next prime is 2428880669021. The reversal of 2428880668978 is 8798660888242.

It can be written as a sum of positive squares in 2 ways, for example, as 2427529150809 + 1351518169 = 1558053^2 + 36763^2 .

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

It is a super-2 number, since 2×2428880668978² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42815101 + ... + 42871792.

Almost surely, 2^{2428880668978} is an apocalyptic number.

2428880668978 is a deficient number, since it is larger than the sum of its proper divisors (1214697437690).

2428880668978 is a wasteful number, since it uses less digits than its factorization.

2428880668978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85701068.

The product of its (nonzero) digits is 1189085184, while the sum is 76.

The spelling of 2428880668978 in words is "two trillion, four hundred twenty-eight billion, eight hundred eighty million, six hundred sixty-eight thousand, nine hundred seventy-eight".