97782049 has 2 divisors, whose sum is σ = 97782050. Its totient is φ = 97782048.

The previous prime is 97782031. The next prime is 97782067. The reversal of 97782049 is 94028779.

It is a balanced prime because it is at equal distance from previous prime (97782031) and next prime (97782067).

It can be written as a sum of positive squares in only one way, i.e., 78641424 + 19140625 = 8868^2 + 4375^2 .

It is a cyclic number.

It is not a de Polignac number, because 97782049 - 2¹⁷ = 97650977 is a prime.

It is a super-2 number, since 2×97782049² = 19122658213276802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97782019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48891024 + 48891025.

It is an arithmetic number, because the mean of its divisors is an integer number (48891025).

Almost surely, 2^97782049 is an apocalyptic number.

It is an amenable number.

97782049 is a deficient number, since it is larger than the sum of its proper divisors (1).

97782049 is an equidigital number, since it uses as much as digits as its factorization.

97782049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 97782049 is about 9888.4806214099. The cubic root of 97782049 is about 460.7015900743.

The spelling of 97782049 in words is "ninety-seven million, seven hundred eighty-two thousand, forty-nine".