97115487 has 8 divisors (see below), whose sum is σ = 147985536. Its totient is φ = 55494552.

The previous prime is 97115423. The next prime is 97115497. The reversal of 97115487 is 78451179.

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

It is not a de Polignac number, because 97115487 - 2⁶ = 97115423 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97115497) 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, 2312253 + ... + 2312294.

It is an arithmetic number, because the mean of its divisors is an integer number (18498192).

Almost surely, 2^97115487 is an apocalyptic number.

97115487 is a deficient number, since it is larger than the sum of its proper divisors (50870049).

97115487 is a wasteful number, since it uses less digits than its factorization.

97115487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624557.

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

The square root of 97115487 is about 9854.7190218697. The cubic root of 97115487 is about 459.6523633701.

The spelling of 97115487 in words is "ninety-seven million, one hundred fifteen thousand, four hundred eighty-seven".