97267813 has 8 divisors (see below), whose sum is σ = 99070560. Its totient is φ = 95470320.

The previous prime is 97267811. The next prime is 97267823. The reversal of 97267813 is 31876279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97267813 - 2¹ = 97267811 is a prime.

It is a super-2 number, since 2×97267813² = 18922054891605938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97267813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97267811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74698 + ... + 75988.

It is an arithmetic number, because the mean of its divisors is an integer number (12383820).

Almost surely, 2^97267813 is an apocalyptic number.

It is an amenable number.

97267813 is a deficient number, since it is larger than the sum of its proper divisors (1802747).

97267813 is a wasteful number, since it uses less digits than its factorization.

97267813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627.

The product of its digits is 127008, while the sum is 43.

The square root of 97267813 is about 9862.4445752562. Note that the first 3 decimals coincide. The cubic root of 97267813 is about 459.8925599739.

The spelling of 97267813 in words is "ninety-seven million, two hundred sixty-seven thousand, eight hundred thirteen".