97878196370 has 16 divisors (see below), whose sum is σ = 176228552448. Its totient is φ = 39140656560.

The previous prime is 97878196357. The next prime is 97878196373. The reversal of 97878196370 is 7369187879.

It is a junction number, because it is equal to n+sod(n) for n = 97878196297 and 97878196306.

It is not an unprimeable number, because it can be changed into a prime (97878196373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288994 + ... + 1362813.

It is an arithmetic number, because the mean of its divisors is an integer number (11014284528).

Almost surely, 2^97878196370 is an apocalyptic number.

97878196370 is a deficient number, since it is larger than the sum of its proper divisors (78350356078).

97878196370 is a wasteful number, since it uses less digits than its factorization.

97878196370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655505.

The product of its (nonzero) digits is 32006016, while the sum is 65.

The spelling of 97878196370 in words is "ninety-seven billion, eight hundred seventy-eight million, one hundred ninety-six thousand, three hundred seventy".