4097016768978 has 120 divisors (see below), whose sum is σ = 10696122733824. Its totient is φ = 1168719678000.

The previous prime is 4097016768973. The next prime is 4097016768979. The reversal of 4097016768978 is 8798676107904.

4097016768978 is a `hidden beast` number, since 409 + 7 + 0 + 1 + 6 + 76 + 89 + 78 = 666.

It is not an unprimeable number, because it can be changed into a prime (4097016768973) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4599903 + ... + 5417853.

Almost surely, 2^{4097016768978} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4097016768978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5348061366912).

4097016768978 is an abundant number, since it is smaller than the sum of its proper divisors (6599105964846).

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

4097016768978 is a wasteful number, since it uses less digits than its factorization.

4097016768978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818610 (or 818594 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 72.

The spelling of 4097016768978 in words is "four trillion, ninety-seven billion, sixteen million, seven hundred sixty-eight thousand, nine hundred seventy-eight".