97478069651 has 8 divisors (see below), whose sum is σ = 100665727344. Its totient is φ = 94319523360.

The previous prime is 97478069617. The next prime is 97478069669. The reversal of 97478069651 is 15696087479.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97478069651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97478065651) 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, 7271045 + ... + 7284438.

It is an arithmetic number, because the mean of its divisors is an integer number (12583215918).

Almost surely, 2^97478069651 is an apocalyptic number.

97478069651 is a deficient number, since it is larger than the sum of its proper divisors (3187657693).

97478069651 is a wasteful number, since it uses less digits than its factorization.

97478069651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14555701.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 97478069651 in words is "ninety-seven billion, four hundred seventy-eight million, sixty-nine thousand, six hundred fifty-one".