78216061601262 has 32 divisors (see below), whose sum is σ = 169060647466368. Its totient is φ = 23981439918816.

The previous prime is 78216061601189. The next prime is 78216061601273. The reversal of 78216061601262 is 26210616061287.

It is a super-2 number, since 2×78216061601262² (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 1771656408 + ... + 1771700555.

It is an arithmetic number, because the mean of its divisors is an integer number (5283145233324).

Almost surely, 2^{78216061601262} is an apocalyptic number.

78216061601262 is an abundant number, since it is smaller than the sum of its proper divisors (90844585865106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78216061601262 is a wasteful number, since it uses less digits than its factorization.

78216061601262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543357264.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 78216061601262 in words is "seventy-eight trillion, two hundred sixteen billion, sixty-one million, six hundred one thousand, two hundred sixty-two".