97678078848 has 480 divisors, whose sum is σ = 352982681040. Its totient is φ = 26260733952.

The previous prime is 97678078829. The next prime is 97678078867. The reversal of 97678078848 is 84887087679.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97678078829) and next prime (97678078867).

It is a super-2 number, since 2×97678078848² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 20972136 + ... + 20976792.

Almost surely, 2^97678078848 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 97678078848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176491340520).

97678078848 is an abundant number, since it is smaller than the sum of its proper divisors (255304602192).

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

97678078848 is a wasteful number, since it uses less digits than its factorization.

97678078848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724 (or 4686 counting only the distinct ones).

The product of its (nonzero) digits is 303464448, while the sum is 72.

The spelling of 97678078848 in words is "ninety-seven billion, six hundred seventy-eight million, seventy-eight thousand, eight hundred forty-eight".