7478134677 has 32 divisors (see below), whose sum is σ = 12342355200. Its totient is φ = 4443235776.

The previous prime is 7478134669. The next prime is 7478134691. The reversal of 7478134677 is 7764318747.

It is a happy number.

It is not a de Polignac number, because 7478134677 - 2³ = 7478134669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7478124677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357153 + ... + 377510.

It is an arithmetic number, because the mean of its divisors is an integer number (385698600).

Almost surely, 2^7478134677 is an apocalyptic number.

It is an amenable number.

7478134677 is a deficient number, since it is larger than the sum of its proper divisors (4864220523).

7478134677 is a wasteful number, since it uses less digits than its factorization.

7478134677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734714 (or 734708 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 54.

The square root of 7478134677 is about 86476.2087339634. The cubic root of 7478134677 is about 1955.5297502350.

The spelling of 7478134677 in words is "seven billion, four hundred seventy-eight million, one hundred thirty-four thousand, six hundred seventy-seven".