1039507070978 has 32 divisors (see below), whose sum is σ = 1603126812672. Its totient is φ = 505247979600.

The previous prime is 1039507070963. The next prime is 1039507071049. The reversal of 1039507070978 is 8790707059301.

It is a super-2 number, since 2×1039507070978² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109520813 + ... + 109530303.

It is an arithmetic number, because the mean of its divisors is an integer number (50097712896).

Almost surely, 2^{1039507070978} is an apocalyptic number.

1039507070978 is a deficient number, since it is larger than the sum of its proper divisors (563619741694).

1039507070978 is a wasteful number, since it uses less digits than its factorization.

1039507070978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15470.

The product of its (nonzero) digits is 3333960, while the sum is 56.

The spelling of 1039507070978 in words is "one trillion, thirty-nine billion, five hundred seven million, seventy thousand, nine hundred seventy-eight".