97112947 has 2 divisors, whose sum is σ = 97112948. Its totient is φ = 97112946.

The previous prime is 97112929. The next prime is 97112989. The reversal of 97112947 is 74921179.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97112947 is a prime.

It is not a weakly prime, because it can be changed into another prime (97112927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48556473 + 48556474.

It is an arithmetic number, because the mean of its divisors is an integer number (48556474).

Almost surely, 2^97112947 is an apocalyptic number.

97112947 is the 5268-th centered heptagonal number.

97112947 is a deficient number, since it is larger than the sum of its proper divisors (1).

97112947 is an equidigital number, since it uses as much as digits as its factorization.

97112947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 40.

The square root of 97112947 is about 9854.5901487581. The cubic root of 97112947 is about 459.6483560203.

The spelling of 97112947 in words is "ninety-seven million, one hundred twelve thousand, nine hundred forty-seven".