4338679698978 has 16 divisors (see below), whose sum is σ = 8679942754560. Its totient is φ = 1445796006896.

The previous prime is 4338679698973. The next prime is 4338679698979. The reversal of 4338679698978 is 8798969768334.

It is a junction number, because it is equal to n+sod(n) for n = 4338679698894 and 4338679698903.

It is not an unprimeable number, because it can be changed into a prime (4338679698973) 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, 107618025 + ... + 107658332.

It is an arithmetic number, because the mean of its divisors is an integer number (542496422160).

Almost surely, 2^{4338679698978} is an apocalyptic number.

4338679698978 is an abundant number, since it is smaller than the sum of its proper divisors (4341263055582).

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

4338679698978 is a wasteful number, since it uses less digits than its factorization.

4338679698978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215279721.

The product of its digits is 23702740992, while the sum is 87.

The spelling of 4338679698978 in words is "four trillion, three hundred thirty-eight billion, six hundred seventy-nine million, six hundred ninety-eight thousand, nine hundred seventy-eight".