8742751780 has 24 divisors (see below), whose sum is σ = 20982604608. Its totient is φ = 2997514848.

The previous prime is 8742751777. The next prime is 8742751783. The reversal of 8742751780 is 871572478.

It is an interprime number because it is at equal distance from previous prime (8742751777) and next prime (8742751783).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8742751783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31223974 + ... + 31224253.

It is an arithmetic number, because the mean of its divisors is an integer number (874275192).

Almost surely, 2^8742751780 is an apocalyptic number.

It is an amenable number.

8742751780 is an abundant number, since it is smaller than the sum of its proper divisors (12239852828).

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

8742751780 is a wasteful number, since it uses less digits than its factorization.

8742751780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62448243 (or 62448241 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 49.

The square root of 8742751780 is about 93502.6832770055. The cubic root of 8742751780 is about 2060.0735025773.

The spelling of 8742751780 in words is "eight billion, seven hundred forty-two million, seven hundred fifty-one thousand, seven hundred eighty".