1078932487 has 2 divisors, whose sum is σ = 1078932488. Its totient is φ = 1078932486.

The previous prime is 1078932457. The next prime is 1078932509. The reversal of 1078932487 is 7842398701.

It is a strong prime.

It is an emirp because it is prime and its reverse (7842398701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1078932487 - 2²³ = 1070543879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1078932487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078932457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539466243 + 539466244.

It is an arithmetic number, because the mean of its divisors is an integer number (539466244).

Almost surely, 2^1078932487 is an apocalyptic number.

1078932487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078932487 is an equidigital number, since it uses as much as digits as its factorization.

1078932487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 1078932487 is about 32847.1077417784. The cubic root of 1078932487 is about 1025.6474155390.

The spelling of 1078932487 in words is "one billion, seventy-eight million, nine hundred thirty-two thousand, four hundred eighty-seven".