97079491 has 2 divisors, whose sum is σ = 97079492. Its totient is φ = 97079490.

The previous prime is 97079473. The next prime is 97079519. The reversal of 97079491 is 19497079.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97079491 - 2⁵ = 97079459 is a prime.

It is not a weakly prime, because it can be changed into another prime (97079441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48539745 + 48539746.

It is an arithmetic number, because the mean of its divisors is an integer number (48539746).

Almost surely, 2^97079491 is an apocalyptic number.

97079491 is a deficient number, since it is larger than the sum of its proper divisors (1).

97079491 is an equidigital number, since it uses as much as digits as its factorization.

97079491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 97079491 is about 9852.8925194584. The cubic root of 97079491 is about 459.5955660743.

The spelling of 97079491 in words is "ninety-seven million, seventy-nine thousand, four hundred ninety-one".