97258978 has 8 divisors (see below), whose sum is σ = 146443968. Its totient is φ = 48444324.

The previous prime is 97258969. The next prime is 97259017. The reversal of 97258978 is 87985279.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91926 + ... + 92977.

It is an arithmetic number, because the mean of its divisors is an integer number (18305496).

Almost surely, 2^97258978 is an apocalyptic number.

97258978 is a deficient number, since it is larger than the sum of its proper divisors (49184990).

97258978 is a wasteful number, since it uses less digits than its factorization.

97258978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185168.

The product of its digits is 2540160, while the sum is 55.

The square root of 97258978 is about 9861.9966538222. The cubic root of 97258978 is about 459.8786352792.

The spelling of 97258978 in words is "ninety-seven million, two hundred fifty-eight thousand, nine hundred seventy-eight".