77740392000 has 112 divisors (see below), whose sum is σ = 256698853632. Its totient is φ = 20730764800.

The previous prime is 77740391987. The next prime is 77740392089. The reversal of 77740392000 is 29304777.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 77740392000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595592 + ... + 1643591.

Almost surely, 2^77740392000 is an apocalyptic number.

It is an amenable number.

77740392000 is an abundant number, since it is smaller than the sum of its proper divisors (178958461632).

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

77740392000 is a wasteful number, since it uses less digits than its factorization.

77740392000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239213 (or 3239193 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

Adding to 77740392000 its reverse (29304777), we get a palindrome (77769696777).

The spelling of 77740392000 in words is "seventy-seven billion, seven hundred forty million, three hundred ninety-two thousand".