97867651 has 24 divisors (see below), whose sum is σ = 123740160. Its totient is φ = 76885200.

The previous prime is 97867639. The next prime is 97867667. The reversal of 97867651 is 15676879.

It is not a de Polignac number, because 97867651 - 2¹³ = 97859459 is a prime.

It is a super-2 number, since 2×97867651² = 19156154224515602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 97867595 and 97867604.

It is not an unprimeable number, because it can be changed into a prime (97867621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27166 + ... + 30556.

It is an arithmetic number, because the mean of its divisors is an integer number (5155840).

Almost surely, 2^97867651 is an apocalyptic number.

97867651 is a deficient number, since it is larger than the sum of its proper divisors (25872509).

97867651 is a wasteful number, since it uses less digits than its factorization.

97867651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455 (or 3448 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 97867651 is about 9892.8080442309. The cubic root of 97867651 is about 460.8359892314.

The spelling of 97867651 in words is "ninety-seven million, eight hundred sixty-seven thousand, six hundred fifty-one".