97676819 has 2 divisors, whose sum is σ = 97676820. Its totient is φ = 97676818.

The previous prime is 97676809. The next prime is 97676863. The reversal of 97676819 is 91867679.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97676819 is a prime.

It is a super-2 number, since 2×97676819² = 19081521939917522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97676809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48838409 + 48838410.

It is an arithmetic number, because the mean of its divisors is an integer number (48838410).

Almost surely, 2^97676819 is an apocalyptic number.

97676819 is a deficient number, since it is larger than the sum of its proper divisors (1).

97676819 is an equidigital number, since it uses as much as digits as its factorization.

97676819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 53.

The square root of 97676819 is about 9883.1583514583. The cubic root of 97676819 is about 460.5362665138.

The spelling of 97676819 in words is "ninety-seven million, six hundred seventy-six thousand, eight hundred nineteen".