97980069 has 32 divisors (see below), whose sum is σ = 149796864. Its totient is φ = 56386880.

The previous prime is 97980059. The next prime is 97980073. The reversal of 97980069 is 96008979.

It is a happy number.

It is not a de Polignac number, because 97980069 - 2⁴ = 97980053 is a prime.

It is a super-2 number, since 2×97980069² = 19200187842489522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97980019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126367 + ... + 127139.

It is an arithmetic number, because the mean of its divisors is an integer number (4681152).

Almost surely, 2^97980069 is an apocalyptic number.

It is an amenable number.

97980069 is a deficient number, since it is larger than the sum of its proper divisors (51816795).

97980069 is a wasteful number, since it uses less digits than its factorization.

97980069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 97980069 is about 9898.4882179048. The cubic root of 97980069 is about 461.0123717787.

The spelling of 97980069 in words is "ninety-seven million, nine hundred eighty thousand, sixty-nine".