761897648801 has 4 divisors (see below), whose sum is σ = 806715157572. Its totient is φ = 717080140032.

The previous prime is 761897648761. The next prime is 761897648849. The reversal of 761897648801 is 108846798167.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 631866010000 + 130031638801 = 794900^2 + 360599^2 .

It is a cyclic number.

It is not a de Polignac number, because 761897648801 - 2²⁶ = 761830539937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761897641801) 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, 22408754360 + ... + 22408754393.

It is an arithmetic number, because the mean of its divisors is an integer number (201678789393).

Almost surely, 2^761897648801 is an apocalyptic number.

It is an amenable number.

761897648801 is a deficient number, since it is larger than the sum of its proper divisors (44817508771).

761897648801 is a wasteful number, since it uses less digits than its factorization.

761897648801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44817508770.

The product of its (nonzero) digits is 32514048, while the sum is 65.

The spelling of 761897648801 in words is "seven hundred sixty-one billion, eight hundred ninety-seven million, six hundred forty-eight thousand, eight hundred one".