97285656471 has 16 divisors (see below), whose sum is σ = 136614791040. Its totient is φ = 61410489120.

The previous prime is 97285656431. The next prime is 97285656499. The reversal of 97285656471 is 17465658279.

It is a happy number.

It is not a de Polignac number, because 97285656471 - 2¹³ = 97285648279 is a prime.

It is a super-3 number, since 3×97285656471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97285656431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352485 + ... + 564638.

It is an arithmetic number, because the mean of its divisors is an integer number (8538424440).

Almost surely, 2^97285656471 is an apocalyptic number.

97285656471 is a deficient number, since it is larger than the sum of its proper divisors (39329134569).

97285656471 is a wasteful number, since it uses less digits than its factorization.

97285656471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919006.

The product of its digits is 25401600, while the sum is 60.

The spelling of 97285656471 in words is "ninety-seven billion, two hundred eighty-five million, six hundred fifty-six thousand, four hundred seventy-one".