97129850 has 24 divisors (see below), whose sum is σ = 181013340. Its totient is φ = 38776320.

The previous prime is 97129829. The next prime is 97129889. The reversal of 97129850 is 5892179.

It can be written as a sum of positive squares in 6 ways, for example, as 18931201 + 78198649 = 4351^2 + 8843^2 .

It is a super-2 number, since 2×97129850² = 18868415522045000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97129798 and 97129807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29066 + ... + 32234.

Almost surely, 2^97129850 is an apocalyptic number.

97129850 is a deficient number, since it is larger than the sum of its proper divisors (83883490).

97129850 is a wasteful number, since it uses less digits than its factorization.

97129850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 97129850 is about 9855.4477320921. The cubic root of 97129850 is about 459.6750225142.

It can be divided in two parts, 97129 and 850, that added together give a palindrome (97979).

The spelling of 97129850 in words is "ninety-seven million, one hundred twenty-nine thousand, eight hundred fifty".