97890463405 has 8 divisors (see below), whose sum is σ = 134249778432. Its totient is φ = 67124889168.

The previous prime is 97890463397. The next prime is 97890463427. The reversal of 97890463405 is 50436409879.

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

It is a cyclic number.

It is not a de Polignac number, because 97890463405 - 2³ = 97890463397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398435157 + ... + 1398435226.

It is an arithmetic number, because the mean of its divisors is an integer number (16781222304).

Almost surely, 2^97890463405 is an apocalyptic number.

It is an amenable number.

97890463405 is a deficient number, since it is larger than the sum of its proper divisors (36359315027).

97890463405 is a wasteful number, since it uses less digits than its factorization.

97890463405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796870395.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 97890463405 in words is "ninety-seven billion, eight hundred ninety million, four hundred sixty-three thousand, four hundred five".