1063898026478 has 24 divisors (see below), whose sum is σ = 1856435698152. Its totient is φ = 455945931504.

The previous prime is 1063898026463. The next prime is 1063898026493. The reversal of 1063898026478 is 8746208983601.

It is an interprime number because it is at equal distance from previous prime (1063898026463) and next prime (1063898026493).

It is a super-2 number, since 2×1063898026478² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1063898026478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5518976 + ... + 5708492.

It is an arithmetic number, because the mean of its divisors is an integer number (77351487423).

Almost surely, 2^{1063898026478} is an apocalyptic number.

1063898026478 is a deficient number, since it is larger than the sum of its proper divisors (792537671674).

1063898026478 is a wasteful number, since it uses less digits than its factorization.

1063898026478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246816 (or 246809 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 1063898026478 in words is "one trillion, sixty-three billion, eight hundred ninety-eight million, twenty-six thousand, four hundred seventy-eight".