97285740418 has 4 divisors (see below), whose sum is σ = 145928610630. Its totient is φ = 48642870208.

The previous prime is 97285740317. The next prime is 97285740439. The reversal of 97285740418 is 81404758279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81404758279 = 13 ⋅6261904483.

It can be written as a sum of positive squares in only one way, i.e., 97283481409 + 2259009 = 311903^2 + 1503^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24321435103 + ... + 24321435106.

Almost surely, 2^97285740418 is an apocalyptic number.

97285740418 is a deficient number, since it is larger than the sum of its proper divisors (48642870212).

97285740418 is a wasteful number, since it uses less digits than its factorization.

97285740418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48642870211.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 97285740418 in words is "ninety-seven billion, two hundred eighty-five million, seven hundred forty thousand, four hundred eighteen".