8074209780 has 288 divisors, whose sum is σ = 31118051328. Its totient is φ = 1648512000.

The previous prime is 8074209779. The next prime is 8074209791. The reversal of 8074209780 is 879024708.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 499830 + ... + 515730.

Almost surely, 2^8074209780 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 8074209780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15559025664).

8074209780 is an abundant number, since it is smaller than the sum of its proper divisors (23043841548).

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

8074209780 is a wasteful number, since it uses less digits than its factorization.

8074209780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15967 (or 15962 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 8074209780 is about 89856.6067687847. The cubic root of 8074209780 is about 2006.1651244263.

The spelling of 8074209780 in words is "eight billion, seventy-four million, two hundred nine thousand, seven hundred eighty".