83030752780 has 48 divisors (see below), whose sum is σ = 189462389760. Its totient is φ = 30449304000.

The previous prime is 83030752757. The next prime is 83030752787. The reversal of 83030752780 is 8725703038.

It is not an unprimeable number, because it can be changed into a prime (83030752787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3512446 + ... + 3536005.

It is an arithmetic number, because the mean of its divisors is an integer number (3947133120).

Almost surely, 2^83030752780 is an apocalyptic number.

It is an amenable number.

83030752780 is an abundant number, since it is smaller than the sum of its proper divisors (106431636980).

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

83030752780 is a wasteful number, since it uses less digits than its factorization.

83030752780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048510 (or 7048508 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 83030752780 in words is "eighty-three billion, thirty million, seven hundred fifty-two thousand, seven hundred eighty".