7928546401 has 4 divisors (see below), whose sum is σ = 7928739072. Its totient is φ = 7928353732.

The previous prime is 7928546393. The next prime is 7928546447. The reversal of 7928546401 is 1046458297.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7928546401 - 2³ = 7928546393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7928546471) 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, 6985 + ... + 126118.

It is an arithmetic number, because the mean of its divisors is an integer number (1982184768).

Almost surely, 2^7928546401 is an apocalyptic number.

It is an amenable number.

7928546401 is a deficient number, since it is larger than the sum of its proper divisors (192671).

7928546401 is a wasteful number, since it uses less digits than its factorization.

7928546401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192670.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 7928546401 is about 89042.3854184062. The cubic root of 7928546401 is about 1994.0277170868.

The spelling of 7928546401 in words is "seven billion, nine hundred twenty-eight million, five hundred forty-six thousand, four hundred one".