1025380678 has 16 divisors (see below), whose sum is σ = 1758293280. Its totient is φ = 439324416.

The previous prime is 1025380669. The next prime is 1025380693. The reversal of 1025380678 is 8760835201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025380678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55068 + ... + 71296.

It is an arithmetic number, because the mean of its divisors is an integer number (109893330).

Almost surely, 2^1025380678 is an apocalyptic number.

1025380678 is a deficient number, since it is larger than the sum of its proper divisors (732912602).

1025380678 is a wasteful number, since it uses less digits than its factorization.

1025380678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20751.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1025380678 is about 32021.5658267987. The cubic root of 1025380678 is about 1008.3896430514.

The spelling of 1025380678 in words is "one billion, twenty-five million, three hundred eighty thousand, six hundred seventy-eight".