97671603507 has 8 divisors (see below), whose sum is σ = 130309248960. Its totient is φ = 65074180200.

The previous prime is 97671603457. The next prime is 97671603517. The reversal of 97671603507 is 70530617679.

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

It is not a de Polignac number, because 97671603507 - 2¹⁵ = 97671570739 is a prime.

It is a super-2 number, since 2×97671603507² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97671603507.

It is not an unprimeable number, because it can be changed into a prime (97671603517) 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, 10049869 + ... + 10059582.

It is an arithmetic number, because the mean of its divisors is an integer number (16288656120).

Almost surely, 2^97671603507 is an apocalyptic number.

97671603507 is a deficient number, since it is larger than the sum of its proper divisors (32637645453).

97671603507 is a wasteful number, since it uses less digits than its factorization.

97671603507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111073.

The product of its (nonzero) digits is 1666980, while the sum is 51.

The spelling of 97671603507 in words is "ninety-seven billion, six hundred seventy-one million, six hundred three thousand, five hundred seven".