1077377797870 has 16 divisors (see below), whose sum is σ = 2115578221488. Its totient is φ = 391773744640.

The previous prime is 1077377797861. The next prime is 1077377797897. The reversal of 1077377797870 is 787977737701.

It is a self number, because there is not a number n which added to its sum of digits gives 1077377797870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4897171699 + ... + 4897171918.

It is an arithmetic number, because the mean of its divisors is an integer number (132223638843).

Almost surely, 2^{1077377797870} is an apocalyptic number.

1077377797870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1077377797870 is a deficient number, since it is larger than the sum of its proper divisors (1038200423618).

1077377797870 is a wasteful number, since it uses less digits than its factorization.

1077377797870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794343635.

The product of its (nonzero) digits is 177885288, while the sum is 70.

The spelling of 1077377797870 in words is "one trillion, seventy-seven billion, three hundred seventy-seven million, seven hundred ninety-seven thousand, eight hundred seventy".