1078672569 has 8 divisors (see below), whose sum is σ = 1548863232. Its totient is φ = 663798480.

The previous prime is 1078672519. The next prime is 1078672571. The reversal of 1078672569 is 9652768701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1078672569 - 2¹² = 1078668473 is a prime.

It is a super-2 number, since 2×1078672569² = 2327069022226119522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1078672519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13829097 + ... + 13829174.

It is an arithmetic number, because the mean of its divisors is an integer number (193607904).

Almost surely, 2^1078672569 is an apocalyptic number.

It is an amenable number.

1078672569 is a deficient number, since it is larger than the sum of its proper divisors (470190663).

1078672569 is a wasteful number, since it uses less digits than its factorization.

1078672569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27658287.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 1078672569 is about 32843.1510211794. The cubic root of 1078672569 is about 1025.5650484345.

The spelling of 1078672569 in words is "one billion, seventy-eight million, six hundred seventy-two thousand, five hundred sixty-nine".