78201037701 has 12 divisors (see below), whose sum is σ = 112959581280. Its totient is φ = 52132858920.

The previous prime is 78201037679. The next prime is 78201037721. The reversal of 78201037701 is 10773010287.

It is a happy number.

It is not a de Polignac number, because 78201037701 - 2⁶ = 78201037637 is a prime.

It is a super-2 number, since 2×78201037701² (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 (78201037721) 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, 564880 + ... + 689558.

It is an arithmetic number, because the mean of its divisors is an integer number (9413298440).

Almost surely, 2^78201037701 is an apocalyptic number.

It is an amenable number.

78201037701 is a deficient number, since it is larger than the sum of its proper divisors (34758543579).

78201037701 is a wasteful number, since it uses less digits than its factorization.

78201037701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194376 (or 194373 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

Adding to 78201037701 its reverse (10773010287), we get a palindrome (88974047988).

The spelling of 78201037701 in words is "seventy-eight billion, two hundred one million, thirty-seven thousand, seven hundred one".