73678115811 has 32 divisors (see below), whose sum is σ = 104982566400. Its totient is φ = 45826421760.

The previous prime is 73678115789. The next prime is 73678115879. The reversal of 73678115811 is 11851187637.

It is not a de Polignac number, because 73678115811 - 2⁹ = 73678115299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73678115881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3749865 + ... + 3769461.

It is an arithmetic number, because the mean of its divisors is an integer number (3280705200).

Almost surely, 2^73678115811 is an apocalyptic number.

73678115811 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

73678115811 is a deficient number, since it is larger than the sum of its proper divisors (31304450589).

73678115811 is a wasteful number, since it uses less digits than its factorization.

73678115811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20619.

The product of its digits is 282240, while the sum is 48.

The spelling of 73678115811 in words is "seventy-three billion, six hundred seventy-eight million, one hundred fifteen thousand, eight hundred eleven".