97619963 has 4 divisors (see below), whose sum is σ = 111565680. Its totient is φ = 83674248.

The previous prime is 97619953. The next prime is 97619969. The reversal of 97619963 is 36991679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36991679 = 47 ⋅787057.

It is not a de Polignac number, because 97619963 - 2⁸ = 97619707 is a prime.

It is a super-2 number, since 2×97619963² = 19059314352242738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97619969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6972848 + ... + 6972861.

It is an arithmetic number, because the mean of its divisors is an integer number (27891420).

Almost surely, 2^97619963 is an apocalyptic number.

97619963 is a deficient number, since it is larger than the sum of its proper divisors (13945717).

97619963 is a wasteful number, since it uses less digits than its factorization.

97619963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13945716.

The product of its digits is 551124, while the sum is 50.

The square root of 97619963 is about 9880.2815243292. The cubic root of 97619963 is about 460.4468924181.

The spelling of 97619963 in words is "ninety-seven million, six hundred nineteen thousand, nine hundred sixty-three".