97623824278 has 16 divisors (see below), whose sum is σ = 148153212000. Its totient is φ = 48239954752.

The previous prime is 97623824267. The next prime is 97623824281. The reversal of 97623824278 is 87242832679.

It is a super-2 number, since 2×97623824278² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235743 + ... + 500821.

It is an arithmetic number, because the mean of its divisors is an integer number (9259575750).

Almost surely, 2^97623824278 is an apocalyptic number.

97623824278 is a deficient number, since it is larger than the sum of its proper divisors (50529387722).

97623824278 is a wasteful number, since it uses less digits than its factorization.

97623824278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267239.

The product of its digits is 16257024, while the sum is 58.

The spelling of 97623824278 in words is "ninety-seven billion, six hundred twenty-three million, eight hundred twenty-four thousand, two hundred seventy-eight".