7912795553 has 4 divisors (see below), whose sum is σ = 8521472148. Its totient is φ = 7304118960.

The previous prime is 7912795531. The next prime is 7912795577. The reversal of 7912795553 is 3555972197.

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 2775919969 + 5136875584 = 52687^2 + 71672^2 .

It is a cyclic number.

It is not a de Polignac number, because 7912795553 - 2¹⁴ = 7912779169 is a prime.

It is a super-2 number, since 2×7912795553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7912795495 and 7912795504.

It is not an unprimeable number, because it can be changed into a prime (7912795523) 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, 304338278 + ... + 304338303.

It is an arithmetic number, because the mean of its divisors is an integer number (2130368037).

Almost surely, 2^7912795553 is an apocalyptic number.

It is an amenable number.

7912795553 is a deficient number, since it is larger than the sum of its proper divisors (608676595).

7912795553 is a wasteful number, since it uses less digits than its factorization.

7912795553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608676594.

The product of its digits is 2976750, while the sum is 53.

The square root of 7912795553 is about 88953.8956594932. The cubic root of 7912795553 is about 1992.7063967588.

The spelling of 7912795553 in words is "seven billion, nine hundred twelve million, seven hundred ninety-five thousand, five hundred fifty-three".