97655405 has 8 divisors (see below), whose sum is σ = 117331200. Its totient is φ = 78027856.

The previous prime is 97655387. The next prime is 97655407. The reversal of 97655405 is 50455679.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97655405 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97655407) 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, 7445 + ... + 15834.

It is an arithmetic number, because the mean of its divisors is an integer number (14666400).

Almost surely, 2^97655405 is an apocalyptic number.

It is an amenable number.

97655405 is a deficient number, since it is larger than the sum of its proper divisors (19675795).

97655405 is a wasteful number, since it uses less digits than its factorization.

97655405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24123.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 97655405 is about 9882.0749339397. The cubic root of 97655405 is about 460.5026091101.

The spelling of 97655405 in words is "ninety-seven million, six hundred fifty-five thousand, four hundred five".