1077507637887 has 16 divisors (see below), whose sum is σ = 1539658391040. Its totient is φ = 668535877152.

The previous prime is 1077507637861. The next prime is 1077507637901. The reversal of 1077507637887 is 7887367057701.

It is not a de Polignac number, because 1077507637887 - 2¹¹ = 1077507635839 is a prime.

It is a super-2 number, since 2×1077507637887² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077507637487) 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, 211025187 + ... + 211030292.

It is an arithmetic number, because the mean of its divisors is an integer number (96228649440).

Almost surely, 2^{1077507637887} is an apocalyptic number.

1077507637887 is a deficient number, since it is larger than the sum of its proper divisors (462150753153).

1077507637887 is a wasteful number, since it uses less digits than its factorization.

1077507637887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422055542.

The product of its (nonzero) digits is 96808320, while the sum is 66.

The spelling of 1077507637887 in words is "one trillion, seventy-seven billion, five hundred seven million, six hundred thirty-seven thousand, eight hundred eighty-seven".