761897968511 has 8 divisors (see below), whose sum is σ = 767656968960. Its totient is φ = 756142935768.

The previous prime is 761897968493. The next prime is 761897968541. The reversal of 761897968511 is 115869798167.

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

It is a cyclic number.

It is not a de Polignac number, because 761897968511 - 2¹⁰ = 761897967487 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 (761897968541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605861 + ... + 1375086.

It is an arithmetic number, because the mean of its divisors is an integer number (95957121120).

Almost surely, 2^761897968511 is an apocalyptic number.

761897968511 is a deficient number, since it is larger than the sum of its proper divisors (5759000449).

761897968511 is a wasteful number, since it uses less digits than its factorization.

761897968511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983853.

The product of its digits is 45722880, while the sum is 68.

The spelling of 761897968511 in words is "seven hundred sixty-one billion, eight hundred ninety-seven million, nine hundred sixty-eight thousand, five hundred eleven".