407928988985 has 8 divisors (see below), whose sum is σ = 559445470656. Its totient is φ = 279722735280.

The previous prime is 407928988949. The next prime is 407928989021. The reversal of 407928988985 is 589889829704.

It is an interprime number because it is at equal distance from previous prime (407928988949) and next prime (407928989021).

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

It is not a de Polignac number, because 407928988985 - 2³⁴ = 390749119801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5827556951 + ... + 5827557020.

It is an arithmetic number, because the mean of its divisors is an integer number (69930683832).

Almost surely, 2^407928988985 is an apocalyptic number.

It is an amenable number.

407928988985 is a deficient number, since it is larger than the sum of its proper divisors (151516481671).

407928988985 is a wasteful number, since it uses less digits than its factorization.

407928988985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11655113983.

The product of its (nonzero) digits is 836075520, while the sum is 77.

The spelling of 407928988985 in words is "four hundred seven billion, nine hundred twenty-eight million, nine hundred eighty-eight thousand, nine hundred eighty-five".