78495011 has 12 divisors (see below), whose sum is σ = 91725768. Its totient is φ = 66975552.

The previous prime is 78494987. The next prime is 78495031. The reversal of 78495011 is 11059487.

It is not a de Polignac number, because 78495011 - 2¹⁴ = 78478627 is a prime.

It is a super-2 number, since 2×78495011² = 12322933503780242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78495031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7595 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (7643814).

Almost surely, 2^78495011 is an apocalyptic number.

78495011 is a deficient number, since it is larger than the sum of its proper divisors (13230757).

78495011 is a wasteful number, since it uses less digits than its factorization.

78495011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298 (or 7291 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 78495011 is about 8859.7410233031. The cubic root of 78495011 is about 428.1678145755.

The spelling of 78495011 in words is "seventy-eight million, four hundred ninety-five thousand, eleven".