97430477 has 4 divisors (see below), whose sum is σ = 97451616. Its totient is φ = 97409340.

The previous prime is 97430467. The next prime is 97430491. The reversal of 97430477 is 77403479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97430477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97430467) 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 3 ways as a sum of consecutive naturals, for example, 383 + ... + 13964.

It is an arithmetic number, because the mean of its divisors is an integer number (24362904).

Almost surely, 2^97430477 is an apocalyptic number.

It is an amenable number.

97430477 is a deficient number, since it is larger than the sum of its proper divisors (21139).

97430477 is a wasteful number, since it uses less digits than its factorization.

97430477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21138.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 97430477 is about 9870.6877673240. The cubic root of 97430477 is about 460.1487814259.

The spelling of 97430477 in words is "ninety-seven million, four hundred thirty thousand, four hundred seventy-seven".