97578141 has 8 divisors (see below), whose sum is σ = 132559200. Its totient is φ = 63824592.

The previous prime is 97578133. The next prime is 97578149. The reversal of 97578141 is 14187579.

It is an interprime number because it is at equal distance from previous prime (97578133) and next prime (97578149).

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

It is not a de Polignac number, because 97578141 - 2³ = 97578133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97578093 and 97578102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97578149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306691 + ... + 307008.

It is an arithmetic number, because the mean of its divisors is an integer number (16569900).

Almost surely, 2^97578141 is an apocalyptic number.

97578141 is the 6248-th centered pentagonal number.

It is an amenable number.

97578141 is a deficient number, since it is larger than the sum of its proper divisors (34981059).

97578141 is a wasteful number, since it uses less digits than its factorization.

97578141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613755.

The product of its digits is 70560, while the sum is 42.

The square root of 97578141 is about 9878.1648599322. The cubic root of 97578141 is about 460.3811286817.

The spelling of 97578141 in words is "ninety-seven million, five hundred seventy-eight thousand, one hundred forty-one".