97889629141 has 4 divisors (see below), whose sum is σ = 99268356384. Its totient is φ = 96510901900.

The previous prime is 97889629139. The next prime is 97889629157. The reversal of 97889629141 is 14192698879.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97889629141 - 2¹ = 97889629139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97889629111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689363515 + ... + 689363656.

It is an arithmetic number, because the mean of its divisors is an integer number (24817089096).

Almost surely, 2^97889629141 is an apocalyptic number.

It is an amenable number.

97889629141 is a deficient number, since it is larger than the sum of its proper divisors (1378727243).

97889629141 is a wasteful number, since it uses less digits than its factorization.

97889629141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378727242.

The product of its digits is 15676416, while the sum is 64.

The spelling of 97889629141 in words is "ninety-seven billion, eight hundred eighty-nine million, six hundred twenty-nine thousand, one hundred forty-one".