77083249380 has 48 divisors (see below), whose sum is σ = 215989617984. Its totient is φ = 20540626560.

The previous prime is 77083249367. The next prime is 77083249387. The reversal of 77083249380 is 8394238077.

It is not an unprimeable number, because it can be changed into a prime (77083249387) 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, 382282 + ... + 548001.

It is an arithmetic number, because the mean of its divisors is an integer number (4499783708).

Almost surely, 2^77083249380 is an apocalyptic number.

It is an amenable number.

77083249380 is an abundant number, since it is smaller than the sum of its proper divisors (138906368604).

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

77083249380 is a wasteful number, since it uses less digits than its factorization.

77083249380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931676 (or 931674 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 77083249380 in words is "seventy-seven billion, eighty-three million, two hundred forty-nine thousand, three hundred eighty".