97926487 has 2 divisors, whose sum is σ = 97926488. Its totient is φ = 97926486.

The previous prime is 97926481. The next prime is 97926497. The reversal of 97926487 is 78462979.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97926487 is a prime.

It is a super-2 number, since 2×97926487² = 19179193712322338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97926481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48963243 + 48963244.

It is an arithmetic number, because the mean of its divisors is an integer number (48963244).

Almost surely, 2^97926487 is an apocalyptic number.

97926487 is a deficient number, since it is larger than the sum of its proper divisors (1).

97926487 is an equidigital number, since it uses as much as digits as its factorization.

97926487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 52.

The square root of 97926487 is about 9895.7812728455. The cubic root of 97926487 is about 460.9283190748.

The spelling of 97926487 in words is "ninety-seven million, nine hundred twenty-six thousand, four hundred eighty-seven".