97495987 has 8 divisors (see below), whose sum is σ = 98219520. Its totient is φ = 96775560.

The previous prime is 97495963. The next prime is 97496027. The reversal of 97495987 is 78959479.

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 a de Polignac number, because none of the positive numbers 2^k-97495987 is a prime.

It is a super-2 number, since 2×97495987² = 19010934962208338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97495927) 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, 119812 + ... + 120622.

It is an arithmetic number, because the mean of its divisors is an integer number (12277440).

Almost surely, 2^97495987 is an apocalyptic number.

97495987 is a deficient number, since it is larger than the sum of its proper divisors (723533).

97495987 is a wasteful number, since it uses less digits than its factorization.

97495987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its digits is 5715360, while the sum is 58.

The square root of 97495987 is about 9874.0056208208. The cubic root of 97495987 is about 460.2518894540.

The spelling of 97495987 in words is "ninety-seven million, four hundred ninety-five thousand, nine hundred eighty-seven".