761997849 has 4 divisors (see below), whose sum is σ = 1015997136. Its totient is φ = 507998564.

The previous prime is 761997827. The next prime is 761997853. The reversal of 761997849 is 948799167.

761997849 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948799167 = 3 ⋅316266389.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761997849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 761997792 and 761997801.

It is not an unprimeable number, because it can be changed into a prime (761992849) 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, 126999639 + ... + 126999644.

It is an arithmetic number, because the mean of its divisors is an integer number (253999284).

Almost surely, 2^761997849 is an apocalyptic number.

It is an amenable number.

761997849 is a deficient number, since it is larger than the sum of its proper divisors (253999287).

761997849 is a wasteful number, since it uses less digits than its factorization.

761997849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253999286.

The product of its digits is 6858432, while the sum is 60.

The square root of 761997849 is about 27604.3085224028. The cubic root of 761997849 is about 913.3794756940.

It can be divided in two parts, 76199 and 7849, that added together give a palindrome (84048).

The spelling of 761997849 in words is "seven hundred sixty-one million, nine hundred ninety-seven thousand, eight hundred forty-nine".