7976196901 has 4 divisors (see below), whose sum is σ = 8445384972. Its totient is φ = 7507008832.

The previous prime is 7976196857. The next prime is 7976196937. The reversal of 7976196901 is 1096916797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1096916797 = 19 ⋅57732463.

It can be written as a sum of positive squares in 2 ways, for example, as 6914088801 + 1062108100 = 83151^2 + 32590^2 .

It is a cyclic number.

It is not a de Polignac number, because 7976196901 - 2¹³ = 7976188709 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 (7976196401) 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, 234594010 + ... + 234594043.

It is an arithmetic number, because the mean of its divisors is an integer number (2111346243).

Almost surely, 2^7976196901 is an apocalyptic number.

It is an amenable number.

7976196901 is a deficient number, since it is larger than the sum of its proper divisors (469188071).

7976196901 is a wasteful number, since it uses less digits than its factorization.

7976196901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469188070.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The square root of 7976196901 is about 89309.5566051025. The cubic root of 7976196901 is about 1998.0144378405.

The spelling of 7976196901 in words is "seven billion, nine hundred seventy-six million, one hundred ninety-six thousand, nine hundred one".