1772996565 has 8 divisors (see below), whose sum is σ = 2836794528. Its totient is φ = 945598160.

The previous prime is 1772996513. The next prime is 1772996567. The reversal of 1772996565 is 5656992771.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1772996565 - 2⁷ = 1772996437 is a prime.

It is a super-3 number, since 3×1772996565³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772996567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59099871 + ... + 59099900.

It is an arithmetic number, because the mean of its divisors is an integer number (354599316).

Almost surely, 2^1772996565 is an apocalyptic number.

1772996565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1772996565 is a deficient number, since it is larger than the sum of its proper divisors (1063797963).

1772996565 is a wasteful number, since it uses less digits than its factorization.

1772996565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118199779.

The product of its digits is 7144200, while the sum is 57.

The square root of 1772996565 is about 42106.9657538987. The cubic root of 1772996565 is about 1210.3267484939.

The spelling of 1772996565 in words is "one billion, seven hundred seventy-two million, nine hundred ninety-six thousand, five hundred sixty-five".