7928654516477 has 16 divisors (see below), whose sum is σ = 7980873753600. Its totient is φ = 7876562034432.

The previous prime is 7928654516459. The next prime is 7928654516479. The reversal of 7928654516477 is 7746154568297.

It is a cyclic number.

It is not a de Polignac number, because 7928654516477 - 2¹² = 7928654512381 is a prime.

It is a super-2 number, since 2×7928654516477² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7928654516477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7928654516479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045579028 + ... + 1045586610.

It is an arithmetic number, because the mean of its divisors is an integer number (498804609600).

Almost surely, 2^{7928654516477} is an apocalyptic number.

It is an amenable number.

7928654516477 is a deficient number, since it is larger than the sum of its proper divisors (52219237123).

7928654516477 is a wasteful number, since it uses less digits than its factorization.

7928654516477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052.

The product of its digits is 711244800, while the sum is 71.

The spelling of 7928654516477 in words is "seven trillion, nine hundred twenty-eight billion, six hundred fifty-four million, five hundred sixteen thousand, four hundred seventy-seven".