97012421057 has 8 divisors (see below), whose sum is σ = 98905228800. Its totient is φ = 95127897744.

The previous prime is 97012421041. The next prime is 97012421101. The reversal of 97012421057 is 75012421079.

It is a happy number.

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 97012421057 - 2⁴ = 97012421041 is a prime.

It is a super-2 number, since 2×97012421057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97012421057.

It is not an unprimeable number, because it can be changed into a prime (97012421557) 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, 2047457 + ... + 2094302.

It is an arithmetic number, because the mean of its divisors is an integer number (12363153600).

Almost surely, 2^97012421057 is an apocalyptic number.

It is an amenable number.

97012421057 is a deficient number, since it is larger than the sum of its proper divisors (1892807743).

97012421057 is a wasteful number, since it uses less digits than its factorization.

97012421057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142215.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 97012421057 in words is "ninety-seven billion, twelve million, four hundred twenty-one thousand, fifty-seven".