902417220871 has 16 divisors (see below), whose sum is σ = 935041814784. Its totient is φ = 870333295104.

The previous prime is 902417220853. The next prime is 902417220877. The reversal of 902417220871 is 178022714209.

It is a cyclic number.

It is not a de Polignac number, because 902417220871 - 2⁵ = 902417220839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902417220877) 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, 6523495 + ... + 6660391.

It is an arithmetic number, because the mean of its divisors is an integer number (58440113424).

Almost surely, 2^902417220871 is an apocalyptic number.

902417220871 is a deficient number, since it is larger than the sum of its proper divisors (32624593913).

902417220871 is a wasteful number, since it uses less digits than its factorization.

902417220871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138870.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 902417220871 in words is "nine hundred two billion, four hundred seventeen million, two hundred twenty thousand, eight hundred seventy-one".