78206881701 has 32 divisors (see below), whose sum is σ = 113074369408. Its totient is φ = 47795339520.

The previous prime is 78206881693. The next prime is 78206881733. The reversal of 78206881701 is 10718860287.

It is not a de Polignac number, because 78206881701 - 2³ = 78206881693 is a prime.

It is a super-2 number, since 2×78206881701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78206881741) 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, 3304731 + ... + 3328311.

It is an arithmetic number, because the mean of its divisors is an integer number (3533574044).

Almost surely, 2^78206881701 is an apocalyptic number.

It is an amenable number.

78206881701 is a deficient number, since it is larger than the sum of its proper divisors (34867487707).

78206881701 is a wasteful number, since it uses less digits than its factorization.

78206881701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24181.

The product of its (nonzero) digits is 301056, while the sum is 48.

The spelling of 78206881701 in words is "seventy-eight billion, two hundred six million, eight hundred eighty-one thousand, seven hundred one".