761767671077 has 4 divisors (see below), whose sum is σ = 870591624096. Its totient is φ = 652943718060.

The previous prime is 761767671031. The next prime is 761767671079. The reversal of 761767671077 is 770176767167.

It is a happy number.

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: 770176767167 = 1489 ⋅517244303.

It is a cyclic number.

It is not a de Polignac number, because 761767671077 - 2⁸ = 761767670821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761767671079) 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 3 ways as a sum of consecutive naturals, for example, 54411976499 + ... + 54411976512.

It is an arithmetic number, because the mean of its divisors is an integer number (217647906024).

Almost surely, 2^761767671077 is an apocalyptic number.

It is an amenable number.

761767671077 is a deficient number, since it is larger than the sum of its proper divisors (108823953019).

761767671077 is a wasteful number, since it uses less digits than its factorization.

761767671077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108823953018.

The product of its (nonzero) digits is 25412184, while the sum is 62.

The spelling of 761767671077 in words is "seven hundred sixty-one billion, seven hundred sixty-seven million, six hundred seventy-one thousand, seventy-seven".