1008470778477 has 8 divisors (see below), whose sum is σ = 1353532524480. Its totient is φ = 667861442400.

The previous prime is 1008470778463. The next prime is 1008470778479. The reversal of 1008470778477 is 7748770748001.

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

It is not a de Polignac number, because 1008470778477 - 2¹⁰ = 1008470777453 is a prime.

It is a super-2 number, since 2×1008470778477² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1008470778477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008470778479) 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, 1113101952 + ... + 1113102857.

It is an arithmetic number, because the mean of its divisors is an integer number (169191565560).

Almost surely, 2^{1008470778477} is an apocalyptic number.

It is an amenable number.

1008470778477 is a deficient number, since it is larger than the sum of its proper divisors (345061746003).

1008470778477 is a wasteful number, since it uses less digits than its factorization.

1008470778477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226204963.

The product of its (nonzero) digits is 17210368, while the sum is 60.

The spelling of 1008470778477 in words is "one trillion, eight billion, four hundred seventy million, seven hundred seventy-eight thousand, four hundred seventy-seven".