78298128410 has 16 divisors (see below), whose sum is σ = 140951735496. Its totient is φ = 31315894848.

The previous prime is 78298128361. The next prime is 78298128431. The reversal of 78298128410 is 1482189287.

It can be written as a sum of positive squares in 4 ways, for example, as 64180648921 + 14117479489 = 253339^2 + 118817^2 .

It is a super-2 number, since 2×78298128410² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 320477 + ... + 509216.

Almost surely, 2^78298128410 is an apocalyptic number.

78298128410 is a deficient number, since it is larger than the sum of its proper divisors (62653607086).

78298128410 is a wasteful number, since it uses less digits than its factorization.

78298128410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839137.

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 78298128410 in words is "seventy-eight billion, two hundred ninety-eight million, one hundred twenty-eight thousand, four hundred ten".