97061777 has 4 divisors (see below), whose sum is σ = 98231280. Its totient is φ = 95892276.

The previous prime is 97061737. The next prime is 97061791. The reversal of 97061777 is 77716079.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97061777 - 2¹⁰ = 97060753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97061717) 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, 584627 + ... + 584792.

It is an arithmetic number, because the mean of its divisors is an integer number (24557820).

Almost surely, 2^97061777 is an apocalyptic number.

It is an amenable number.

97061777 is a deficient number, since it is larger than the sum of its proper divisors (1169503).

97061777 is a wasteful number, since it uses less digits than its factorization.

97061777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169502.

The product of its (nonzero) digits is 129654, while the sum is 44.

The square root of 97061777 is about 9851.9935546061. The cubic root of 97061777 is about 459.5676103891.

The spelling of 97061777 in words is "ninety-seven million, sixty-one thousand, seven hundred seventy-seven".