7661937404 has 12 divisors (see below), whose sum is σ = 14627335128. Its totient is φ = 3482698800.

The previous prime is 7661937403. The next prime is 7661937419. The reversal of 7661937404 is 4047391667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661937403) 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, 87067427 + ... + 87067514.

It is an arithmetic number, because the mean of its divisors is an integer number (1218944594).

Almost surely, 2^7661937404 is an apocalyptic number.

It is an amenable number.

7661937404 is a deficient number, since it is larger than the sum of its proper divisors (6965397724).

7661937404 is a wasteful number, since it uses less digits than its factorization.

7661937404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174134956 (or 174134954 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 7661937404 is about 87532.4934181587. The cubic root of 7661937404 is about 1971.4217024925.

The spelling of 7661937404 in words is "seven billion, six hundred sixty-one million, nine hundred thirty-seven thousand, four hundred four".