97157673 has 6 divisors (see below), whose sum is σ = 140338874. Its totient is φ = 64771776.

The previous prime is 97157653. The next prime is 97157677. The reversal of 97157673 is 37675179.

97157673 is a `hidden beast` number, since 9 + 7 + 1 + 576 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78907689 + 18249984 = 8883^2 + 4272^2 .

It is not a de Polignac number, because 97157673 - 2⁹ = 97157161 is a prime.

It is a super-2 number, since 2×97157673² = 18879226845549858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97157677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5397640 + ... + 5397657.

Almost surely, 2^97157673 is an apocalyptic number.

It is an amenable number.

97157673 is a deficient number, since it is larger than the sum of its proper divisors (43181201).

97157673 is a wasteful number, since it uses less digits than its factorization.

97157673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795303 (or 10795300 counting only the distinct ones).

The product of its digits is 277830, while the sum is 45.

The square root of 97157673 is about 9856.8591853592. The cubic root of 97157673 is about 459.7189098710.

The spelling of 97157673 in words is "ninety-seven million, one hundred fifty-seven thousand, six hundred seventy-three".