97765001 has 4 divisors (see below), whose sum is σ = 98630292. Its totient is φ = 96899712.

The previous prime is 97764959. The next prime is 97765007. The reversal of 97765001 is 10056779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10056779 = 79 ⋅127301.

It can be written as a sum of positive squares in 2 ways, for example, as 32478601 + 65286400 = 5699^2 + 8080^2 .

It is a cyclic number.

It is not a de Polignac number, because 97765001 - 2¹⁴ = 97748617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97765007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432476 + ... + 432701.

It is an arithmetic number, because the mean of its divisors is an integer number (24657573).

Almost surely, 2^97765001 is an apocalyptic number.

It is an amenable number.

97765001 is a deficient number, since it is larger than the sum of its proper divisors (865291).

97765001 is a wasteful number, since it uses less digits than its factorization.

97765001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865290.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 97765001 is about 9887.6185707176. The cubic root of 97765001 is about 460.6748145489.

The spelling of 97765001 in words is "ninety-seven million, seven hundred sixty-five thousand, one".