97643077 has 16 divisors (see below), whose sum is σ = 113173632. Its totient is φ = 82517760.

The previous prime is 97643059. The next prime is 97643101. The reversal of 97643077 is 77034679.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97643077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97643047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213433 + ... + 213889.

It is an arithmetic number, because the mean of its divisors is an integer number (7073352).

Almost surely, 2^97643077 is an apocalyptic number.

It is an amenable number.

97643077 is a deficient number, since it is larger than the sum of its proper divisors (15530555).

97643077 is a wasteful number, since it uses less digits than its factorization.

97643077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 97643077 is about 9881.4511586103. The cubic root of 97643077 is about 460.4832303736.

The spelling of 97643077 in words is "ninety-seven million, six hundred forty-three thousand, seventy-seven".