97999451 has 8 divisors (see below), whose sum is σ = 109395264. Its totient is φ = 87018120.

The previous prime is 97999427. The next prime is 97999459. The reversal of 97999451 is 15499979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97999451 - 2⁶ = 97999387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97999393 and 97999402.

It is not an unprimeable number, because it can be changed into a prime (97999459) 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 in 7 ways as a sum of consecutive naturals, for example, 103121 + ... + 104066.

It is an arithmetic number, because the mean of its divisors is an integer number (13674408).

Almost surely, 2^97999451 is an apocalyptic number.

97999451 is a deficient number, since it is larger than the sum of its proper divisors (11395813).

97999451 is a wasteful number, since it uses less digits than its factorization.

97999451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207241.

The product of its digits is 918540, while the sum is 53.

The square root of 97999451 is about 9899.4672078855. The cubic root of 97999451 is about 461.0427682758.

The spelling of 97999451 in words is "ninety-seven million, nine hundred ninety-nine thousand, four hundred fifty-one".