97752769 has 3 divisors (see below), whose sum is σ = 97762657. Its totient is φ = 97742882.

The previous prime is 97752761. The next prime is 97752773. The reversal of 97752769 is 96725779.

The square root of 97752769 is 9887.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96725779 = 509 ⋅190031.

It is not a de Polignac number, because 97752769 - 2³ = 97752761 is a prime.

It is a super-2 number, since 2×97752769² = 19111207694334722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97752761) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4944 + ... + 14830.

Almost surely, 2^97752769 is an apocalyptic number.

97752769 is the 9887-th square number.

97752769 is the 4944-th centered octagonal number.

It is an amenable number.

97752769 is a deficient number, since it is larger than the sum of its proper divisors (9888).

97752769 is an frugal number, since it uses more digits than its factorization.

97752769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19774 (or 9887 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 52.

The cubic root of 97752769 is about 460.6556010973.

It can be divided in two parts, 9775 and 2769, that added together give a square (12544 = 112²).

The spelling of 97752769 in words is "ninety-seven million, seven hundred fifty-two thousand, seven hundred sixty-nine".