1478550887 has 8 divisors (see below), whose sum is σ = 1615334400. Its totient is φ = 1342162360.

The previous prime is 1478550869. The next prime is 1478550937. The reversal of 1478550887 is 7880558741.

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

It is not a de Polignac number, because 1478550887 - 2¹² = 1478546791 is a prime.

It is a super-2 number, since 2×1478550887² = 4372225450896973538, 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 (1478550847) 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, 90887 + ... + 105912.

It is an arithmetic number, because the mean of its divisors is an integer number (201916800).

Almost surely, 2^1478550887 is an apocalyptic number.

1478550887 is a deficient number, since it is larger than the sum of its proper divisors (136783513).

1478550887 is a wasteful number, since it uses less digits than its factorization.

1478550887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197493.

The product of its (nonzero) digits is 2508800, while the sum is 53.

The square root of 1478550887 is about 38451.9295614667. The cubic root of 1478550887 is about 1139.2317813446.

The spelling of 1478550887 in words is "one billion, four hundred seventy-eight million, five hundred fifty thousand, eight hundred eighty-seven".