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87693937941 = 3285710231471
BaseRepresentation
bin101000110101011110…
…1110100110100010101
322101100112121121200110
41101222331310310111
52414044122003231
6104141441233233
76223065113361
oct1215275646425
9271315547613
1087693937941
1134210a3a585
1214bb4632819
138367136b0c
14435c9322a1
152433bae046
hex146af74d15

87693937941 has 8 divisors (see below), whose sum is σ = 116966187904. Its totient is φ = 58442156640.

The previous prime is 87693937937. The next prime is 87693937993. The reversal of 87693937941 is 14973939678.

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

It is not a de Polignac number, because 87693937941 - 22 = 87693937937 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87693937241) 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, 5107165 + ... + 5124306.

It is an arithmetic number, because the mean of its divisors is an integer number (14620773488).

Almost surely, 287693937941 is an apocalyptic number.

It is an amenable number.

87693937941 is a deficient number, since it is larger than the sum of its proper divisors (29272249963).

87693937941 is a wasteful number, since it uses less digits than its factorization.

87693937941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234331.

The product of its digits is 61725888, while the sum is 66.

The spelling of 87693937941 in words is "eighty-seven billion, six hundred ninety-three million, nine hundred thirty-seven thousand, nine hundred forty-one".

Divisors: 1 3 2857 8571 10231471 30694413 29231312647 87693937941