97069977 has 24 divisors (see below), whose sum is σ = 143721864. Its totient is φ = 63108864.

The previous prime is 97069969. The next prime is 97069991. The reversal of 97069977 is 77996079.

It can be written as a sum of positive squares in 4 ways, for example, as 79227801 + 17842176 = 8901^2 + 4224^2 .

It is not a de Polignac number, because 97069977 - 2³ = 97069969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97069957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93453 + ... + 94485.

It is an arithmetic number, because the mean of its divisors is an integer number (5988411).

Almost surely, 2^97069977 is an apocalyptic number.

It is an amenable number.

97069977 is a deficient number, since it is larger than the sum of its proper divisors (46651887).

97069977 is a wasteful number, since it uses less digits than its factorization.

97069977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The square root of 97069977 is about 9852.4097052447. The cubic root of 97069977 is about 459.5805517974.

It can be divided in two parts, 9706 and 9977, that added together give a 9-th power (19683 = 3⁹).

The spelling of 97069977 in words is "ninety-seven million, sixty-nine thousand, nine hundred seventy-seven".