283780641015 has 24 divisors (see below), whose sum is σ = 491899218720. Its totient is φ = 151345744704.

The previous prime is 283780640999. The next prime is 283780641031. The reversal of 283780641015 is 510146087382.

It is an interprime number because it is at equal distance from previous prime (283780640999) and next prime (283780641031).

It is not a de Polignac number, because 283780641015 - 2⁴ = 283780640999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2734974 + ... + 2836836.

It is an arithmetic number, because the mean of its divisors is an integer number (20495800780).

Almost surely, 2^283780641015 is an apocalyptic number.

283780641015 is a deficient number, since it is larger than the sum of its proper divisors (208118577705).

283780641015 is a wasteful number, since it uses less digits than its factorization.

283780641015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163783 (or 163780 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 283780641015 in words is "two hundred eighty-three billion, seven hundred eighty million, six hundred forty-one thousand, fifteen".