97103781408 has 48 divisors (see below), whose sum is σ = 256904524800. Its totient is φ = 32113057536.

The previous prime is 97103781373. The next prime is 97103781421. The reversal of 97103781408 is 80418730179.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×97103781408³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3970083 + ... + 3994466.

It is an arithmetic number, because the mean of its divisors is an integer number (5352177600).

Almost surely, 2^97103781408 is an apocalyptic number.

It is an amenable number.

97103781408 is an abundant number, since it is smaller than the sum of its proper divisors (159800743392).

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

97103781408 is a wasteful number, since it uses less digits than its factorization.

97103781408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964689 (or 7964681 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 97103781408 in words is "ninety-seven billion, one hundred three million, seven hundred eighty-one thousand, four hundred eight".