1077680357 has 8 divisors (see below), whose sum is σ = 1161108984. Its totient is φ = 994327488.

The previous prime is 1077680347. The next prime is 1077680363. The reversal of 1077680357 is 7530867701.

It can be written as a sum of positive squares in 4 ways, for example, as 29604481 + 1048075876 = 5441^2 + 32374^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1077680357 - 2¹⁴ = 1077663973 is a prime.

It is a super-2 number, since 2×1077680357² = 2322789903727294898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077680347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12563 + ... + 48095.

It is an arithmetic number, because the mean of its divisors is an integer number (145138623).

Almost surely, 2^1077680357 is an apocalyptic number.

It is an amenable number.

1077680357 is a deficient number, since it is larger than the sum of its proper divisors (83428627).

1077680357 is a wasteful number, since it uses less digits than its factorization.

1077680357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37879.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 1077680357 is about 32828.0422352598. The cubic root of 1077680357 is about 1025.2504982050.

The spelling of 1077680357 in words is "one billion, seventy-seven million, six hundred eighty thousand, three hundred fifty-seven".