97309778350 has 12 divisors (see below), whose sum is σ = 180996187824. Its totient is φ = 38923911320.

The previous prime is 97309778323. The next prime is 97309778351. The reversal of 97309778350 is 5387790379.

97309778350 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×97309778350² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97309778351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 973097734 + ... + 973097833.

It is an arithmetic number, because the mean of its divisors is an integer number (15083015652).

Almost surely, 2^97309778350 is an apocalyptic number.

97309778350 is a deficient number, since it is larger than the sum of its proper divisors (83686409474).

97309778350 is a wasteful number, since it uses less digits than its factorization.

97309778350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946195579 (or 1946195574 counting only the distinct ones).

The product of its (nonzero) digits is 10001880, while the sum is 58.

The spelling of 97309778350 in words is "ninety-seven billion, three hundred nine million, seven hundred seventy-eight thousand, three hundred fifty".