7654711897 has 4 divisors (see below), whose sum is σ = 8748242176. Its totient is φ = 6561181620.

The previous prime is 7654711843. The next prime is 7654711913. The reversal of 7654711897 is 7981174567.

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: 7981174567 = 17539 ⋅455053.

It is not a de Polignac number, because 7654711897 - 2³¹ = 5507228249 is a prime.

It is a super-2 number, since 2×7654711897² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7654717897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546765129 + ... + 546765142.

It is an arithmetic number, because the mean of its divisors is an integer number (2187060544).

Almost surely, 2^7654711897 is an apocalyptic number.

It is an amenable number.

7654711897 is a deficient number, since it is larger than the sum of its proper divisors (1093530279).

7654711897 is a wasteful number, since it uses less digits than its factorization.

7654711897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093530278.

The product of its digits is 2963520, while the sum is 55.

The square root of 7654711897 is about 87491.2103985309. The cubic root of 7654711897 is about 1970.8017982994.

The spelling of 7654711897 in words is "seven billion, six hundred fifty-four million, seven hundred eleven thousand, eight hundred ninety-seven".