7901902080 has 288 divisors, whose sum is σ = 29262885120. Its totient is φ = 2015354880.

The previous prime is 7901902061. The next prime is 7901902087. The reversal of 7901902080 is 802091097.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7901902087) 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, 789910 + ... + 799850.

It is an arithmetic number, because the mean of its divisors is an integer number (101607240).

Almost surely, 2^7901902080 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 7901902080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14631442560).

7901902080 is an abundant number, since it is smaller than the sum of its proper divisors (21360983040).

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

7901902080 is a wasteful number, since it uses less digits than its factorization.

7901902080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994 (or 9974 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 7901902080 is about 88892.6435651455. The cubic root of 7901902080 is about 1991.7915299328.

The spelling of 7901902080 in words is "seven billion, nine hundred one million, nine hundred two thousand, eighty".