1477621607552 has 16 divisors (see below), whose sum is σ = 2943699296550. Its totient is φ = 738810803712.

The previous prime is 1477621607543. The next prime is 1477621607639. The reversal of 1477621607552 is 2557061267741.

It can be written as a sum of positive squares in only one way, i.e., 1449673792576 + 27947814976 = 1204024^2 + 167176^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1477621607494 and 1477621607503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771959277 + ... + 5771959532.

Almost surely, 2^{1477621607552} is an apocalyptic number.

It is an amenable number.

1477621607552 is a deficient number, since it is larger than the sum of its proper divisors (1466077688998).

1477621607552 is an equidigital number, since it uses as much as digits as its factorization.

1477621607552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11543918823 (or 11543918811 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 1477621607552 in words is "one trillion, four hundred seventy-seven billion, six hundred twenty-one million, six hundred seven thousand, five hundred fifty-two".