1487402078977 has 2 divisors, whose sum is σ = 1487402078978. Its totient is φ = 1487402078976.

The previous prime is 1487402078971. The next prime is 1487402078983. The reversal of 1487402078977 is 7798702047841.

It is a balanced prime because it is at equal distance from previous prime (1487402078971) and next prime (1487402078983).

It can be written as a sum of positive squares in only one way, i.e., 1462541934736 + 24860144241 = 1209356^2 + 157671^2 .

It is an emirp because it is prime and its reverse (7798702047841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1487402078977 - 2¹⁹ = 1487401554689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1487402078971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743701039488 + 743701039489.

It is an arithmetic number, because the mean of its divisors is an integer number (743701039489).

Almost surely, 2^{1487402078977} is an apocalyptic number.

It is an amenable number.

1487402078977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487402078977 is an equidigital number, since it uses as much as digits as its factorization.

1487402078977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44255232, while the sum is 64.

The spelling of 1487402078977 in words is "one trillion, four hundred eighty-seven billion, four hundred two million, seventy-eight thousand, nine hundred seventy-seven".