97769397 has 32 divisors (see below), whose sum is σ = 153097344. Its totient is φ = 54835200.

The previous prime is 97769387. The next prime is 97769407. The reversal of 97769397 is 79396779.

It is an interprime number because it is at equal distance from previous prime (97769387) and next prime (97769407).

It is not a de Polignac number, because 97769397 - 2¹¹ = 97767349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97769377) 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, 32793 + ... + 35649.

It is an arithmetic number, because the mean of its divisors is an integer number (4784292).

Almost surely, 2^97769397 is an apocalyptic number.

It is an amenable number.

97769397 is a deficient number, since it is larger than the sum of its proper divisors (55327947).

97769397 is a wasteful number, since it uses less digits than its factorization.

97769397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949.

The product of its digits is 4500846, while the sum is 57.

The square root of 97769397 is about 9887.8408664379. The cubic root of 97769397 is about 460.6817191880.

The spelling of 97769397 in words is "ninety-seven million, seven hundred sixty-nine thousand, three hundred ninety-seven".