70780992048 has 400 divisors, whose sum is σ = 232123643136. Its totient is φ = 20670474240.

The previous prime is 70780992041. The next prime is 70780992059. The reversal of 70780992048 is 84029908707.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 70780991985 and 70780992003.

It is not an unprimeable number, because it can be changed into a prime (70780992041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 27679986 + ... + 27682542.

Almost surely, 2^70780992048 is an apocalyptic number.

70780992048 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70780992048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116061821568).

70780992048 is an abundant number, since it is smaller than the sum of its proper divisors (161342651088).

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

70780992048 is a wasteful number, since it uses less digits than its factorization.

70780992048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 70780992048 in words is "seventy billion, seven hundred eighty million, nine hundred ninety-two thousand, forty-eight".