97678926 has 16 divisors (see below), whose sum is σ = 217064400. Its totient is φ = 32559624.

The previous prime is 97678921. The next prime is 97678939. The reversal of 97678926 is 62987679.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1808869 = 97678926 / (9 + 7 + 6 + 7 + 8 + 9 + 2 + 6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97678921) 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, 904381 + ... + 904488.

It is an arithmetic number, because the mean of its divisors is an integer number (13566525).

Almost surely, 2^97678926 is an apocalyptic number.

97678926 is an abundant number, since it is smaller than the sum of its proper divisors (119385474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97678926 is a wasteful number, since it uses less digits than its factorization.

97678926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808880 (or 1808874 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 97678926 is about 9883.2649463626. The cubic root of 97678926 is about 460.5395779202.

The spelling of 97678926 in words is "ninety-seven million, six hundred seventy-eight thousand, nine hundred twenty-six".