97629067394 has 4 divisors (see below), whose sum is σ = 146443601094. Its totient is φ = 48814533696.

The previous prime is 97629067387. The next prime is 97629067399. The reversal of 97629067394 is 49376092679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49376092679 = 72577 ⋅680327.

It can be written as a sum of positive squares in only one way, i.e., 49793691025 + 47835376369 = 223145^2 + 218713^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97629067399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24407266847 + ... + 24407266850.

Almost surely, 2^97629067394 is an apocalyptic number.

97629067394 is a deficient number, since it is larger than the sum of its proper divisors (48814533700).

97629067394 is a wasteful number, since it uses less digits than its factorization.

97629067394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48814533699.

The product of its (nonzero) digits is 30862944, while the sum is 62.

The spelling of 97629067394 in words is "ninety-seven billion, six hundred twenty-nine million, sixty-seven thousand, three hundred ninety-four".