6940280787 has 64 divisors (see below), whose sum is σ = 10873958400. Its totient is φ = 3890810880.

The previous prime is 6940280741. The next prime is 6940280791. The reversal of 6940280787 is 7870820496.

It is not a de Polignac number, because 6940280787 - 2¹¹ = 6940278739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (6940280707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11433438 + ... + 11434044.

It is an arithmetic number, because the mean of its divisors is an integer number (169905600).

Almost surely, 2^6940280787 is an apocalyptic number.

6940280787 is a deficient number, since it is larger than the sum of its proper divisors (3933677613).

6940280787 is a wasteful number, since it uses less digits than its factorization.

6940280787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 6940280787 is about 83308.3476429583. The cubic root of 6940280787 is about 1907.4756988545.

The spelling of 6940280787 in words is "six billion, nine hundred forty million, two hundred eighty thousand, seven hundred eighty-seven".