10077765 has 8 divisors (see below), whose sum is σ = 16124448. Its totient is φ = 5374800.

The previous prime is 10077763. The next prime is 10077773. The reversal of 10077765 is 56777001.

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

It is not a de Polignac number, because 10077765 - 2¹ = 10077763 is a prime.

It is a super-2 number, since 2×10077765² = 203122694790450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10077763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335911 + ... + 335940.

It is an arithmetic number, because the mean of its divisors is an integer number (2015556).

Almost surely, 2^10077765 is an apocalyptic number.

10077765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10077765 is a deficient number, since it is larger than the sum of its proper divisors (6046683).

10077765 is an equidigital number, since it uses as much as digits as its factorization.

10077765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671859.

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 10077765 is about 3174.5495743491. The cubic root of 10077765 is about 216.0004929687. Note that the first 3 decimals are identical.

The spelling of 10077765 in words is "ten million, seventy-seven thousand, seven hundred sixty-five".