42697678716 has 336 divisors, whose sum is σ = 140318115840. Its totient is φ = 11039276160.

The previous prime is 42697678697. The next prime is 42697678799. The reversal of 42697678716 is 61787679624.

42697678716 is a `hidden beast` number, since 426 + 9 + 76 + 78 + 71 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 89138965 + ... + 89139443.

It is an arithmetic number, because the mean of its divisors is an integer number (417613440).

Almost surely, 2^42697678716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42697678716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70159057920).

42697678716 is an abundant number, since it is smaller than the sum of its proper divisors (97620437124).

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

42697678716 is a wasteful number, since it uses less digits than its factorization.

42697678716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 899 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 42697678716 in words is "forty-two billion, six hundred ninety-seven million, six hundred seventy-eight thousand, seven hundred sixteen".