7980148628 has 6 divisors (see below), whose sum is σ = 13965260106. Its totient is φ = 3990074312.

The previous prime is 7980148597. The next prime is 7980148661. The reversal of 7980148628 is 8268410897.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4145814544 + 3834334084 = 64388^2 + 61922^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7980148628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997518575 + ... + 997518582.

It is an arithmetic number, because the mean of its divisors is an integer number (2327543351).

Almost surely, 2^7980148628 is an apocalyptic number.

It is an amenable number.

7980148628 is a deficient number, since it is larger than the sum of its proper divisors (5985111478).

7980148628 is a wasteful number, since it uses less digits than its factorization.

7980148628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995037161 (or 1995037159 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 7980148628 is about 89331.6776289352. The cubic root of 7980148628 is about 1998.3443487877.

The spelling of 7980148628 in words is "seven billion, nine hundred eighty million, one hundred forty-eight thousand, six hundred twenty-eight".