78227370000 has 2000 divisors, whose sum is σ = 354356069760. Its totient is φ = 16422912000.

The previous prime is 78227369947. The next prime is 78227370031. The reversal of 78227370000 is 7372287.

It is a tau number, because it is divible by the number of its divisors (2000).

It is a super-2 number, since 2×78227370000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 3401189989 + ... + 3401190011.

Almost surely, 2^78227370000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78227370000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177178034880).

78227370000 is an abundant number, since it is smaller than the sum of its proper divisors (276128699760).

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

78227370000 is a wasteful number, since it uses less digits than its factorization.

78227370000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 78227370000 in words is "seventy-eight billion, two hundred twenty-seven million, three hundred seventy thousand".