97827156 has 48 divisors (see below), whose sum is σ = 289860480. Its totient is φ = 27950400.

The previous prime is 97827127. The next prime is 97827167. The reversal of 97827156 is 65172879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63945 + ... + 65456.

It is an arithmetic number, because the mean of its divisors is an integer number (6038760).

Almost surely, 2^97827156 is an apocalyptic number.

It is an amenable number.

97827156 is an abundant number, since it is smaller than the sum of its proper divisors (192033324).

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

97827156 is a wasteful number, since it uses less digits than its factorization.

97827156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129421 (or 129413 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 97827156 is about 9890.7611436128. The cubic root of 97827156 is about 460.7724199530.

The spelling of 97827156 in words is "ninety-seven million, eight hundred twenty-seven thousand, one hundred fifty-six".