755779951 has 4 divisors (see below), whose sum is σ = 755838504. Its totient is φ = 755721400.

The previous prime is 755779943. The next prime is 755779987. The reversal of 755779951 is 159977557.

755779951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 159977557 = 1931 ⋅82847.

It is a cyclic number.

It is not a de Polignac number, because 755779951 - 2³ = 755779943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 755779892 and 755779901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755779351) 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, 460 + ... + 38881.

It is an arithmetic number, because the mean of its divisors is an integer number (188959626).

Almost surely, 2^755779951 is an apocalyptic number.

755779951 is a deficient number, since it is larger than the sum of its proper divisors (58553).

755779951 is a wasteful number, since it uses less digits than its factorization.

755779951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58552.

The product of its digits is 3472875, while the sum is 55.

The square root of 755779951 is about 27491.4523261322. The cubic root of 755779951 is about 910.8882969585. Note that the first 3 decimals are identical.

The spelling of 755779951 in words is "seven hundred fifty-five million, seven hundred seventy-nine thousand, nine hundred fifty-one".